Communication
Free
Faster access than browser!

# List of numbers

This is a list of articles about numbers (not about numerals). [1]

The Abjad numerals are a decimal numeral system in which the 28 letters of the Arabic alphabet are assigned numerical values.

## Absolute Infinite

The Absolute Infinite (symbol: Ω) is an extension of the idea of infinity proposed by mathematician Georg Cantor.

In mathematics the additive identity of a set which is equipped with the operation of addition is an element which, when added to any element x in the set, yields x. One of the most familiar additive identities is the number 0 from elementary mathematics, but additive identities occur in other mathematical structures where addition is defined, such as in groups and rings.

## Aleph number

In mathematics, and in particular set theory, the aleph numbers are a sequence of numbers used to represent the cardinality (or size) of infinite sets that can be well-ordered.

## Algebra over a field

In mathematics, an algebra over a field (often simply called an algebra) is a vector space equipped with a bilinear product.

## Altitude (triangle)

In geometry, an altitude of a triangle is a line segment through a vertex and perpendicular to (i.e., forming a right angle with) a line containing the base (the side opposite the vertex).

## American English

American English (AmE, AE, AmEng, USEng, en-US), sometimes called United States English or U.S. English, is the set of varieties of the English language native to the United States.

## Apéry's constant

In mathematics, at the intersection of number theory and special functions, Apéry's constant is defined as the number where is the Riemann zeta function.

## Area

Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane.

## Artin's conjecture on primitive roots

In number theory, Artin's conjecture on primitive roots states that a given integer a which is neither a perfect square nor &minus;1 is a primitive root modulo infinitely many primes p. The conjecture also ascribes an asymptotic density to these primes.

In chemistry and physics, the Avogadro constant (named after scientist Amedeo Avogadro) is the number of constituent particles, usually atoms or molecules, that are contained in the amount of substance given by one mole.

## −1

In mathematics, −1 is the additive inverse of 1, that is, the number that when added to 1 gives the additive identity element, 0.

## Babylonian numerals

Babylonian numerals were written in cuneiform, using a wedge-tipped reed stylus to make a mark on a soft clay tablet which would be exposed in the sun to harden to create a permanent record.

## Backhouse's constant

Backhouse's constant is a mathematical constant named after Nigel Backhouse.

## Basis point

A basis point (often denoted as bp, often pronounced as "bip" or "beep") is (a difference of) one hundredth of a percent or equivalently one ten thousandth.

## Bernstein's constant

Bernstein's constant, usually denoted by the Greek letter β (beta), is a mathematical constant named after Sergei Natanovich Bernstein and is equal to 0.2801694990...

## Berry–Esseen theorem

In probability theory, the central limit theorem states that, under certain circumstances, the probability distribution of the scaled mean of a random sample converges to a normal distribution as the sample size increases to infinity.

## Binary number

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).

## Binary prefix

A binary prefix is a unit prefix for multiples of units in data processing, data transmission, and digital information, notably the bit and the byte, to indicate multiplication by a power of 2.

## Blackboard bold

Blackboard bold is a typeface style that is often used for certain symbols in mathematical texts, in which certain lines of the symbol (usually vertical or near-vertical lines) are doubled.

No description.

## British English

British English is the standard dialect of English language as spoken and written in the United Kingdom.

## Brun's theorem

In number theory, Brun's theorem states that the sum of the reciprocals of the twin primes (pairs of prime numbers which differ by 2) converges to a finite value known as Brun's constant, usually denoted by B2.

## Cahen's constant

In mathematics, Cahen's constant is defined as an infinite series of unit fractions, with alternating signs, derived from Sylvester's sequence: Combining these fractions in pairs leads to an alternative expansion of Cahen's constant as a series of positive unit fractions formed from the terms in even positions of Sylvester's sequence.

## Cardinal number (linguistics)

In linguistics, more precisely in traditional grammar, a cardinal number or cardinal numeral (or just cardinal) is a part of speech used to count, such as the English words one, two, three, but also compounds, e.g. three hundred and forty-two (Commonwealth English) or three hundred forty-two (American English).

## Cardinality of the continuum

In set theory, the cardinality of the continuum is the cardinality or “size” of the set of real numbers \mathbb R, sometimes called the continuum.

## Catalan's constant

In mathematics, Catalan's constant, which appears in combinatorics, is defined by where is the Dirichlet beta function.

## Celsius

The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).

## Champernowne constant

In mathematics, the Champernowne constant is a transcendental real constant whose decimal expansion has important properties.

## Christianity

ChristianityFrom Ancient Greek Χριστός Khristós (Latinized as Christus), translating Hebrew מָשִׁיחַ, Māšîăḥ, meaning "the anointed one", with the Latin suffixes -ian and -itas.

## Circumference

In geometry, the circumference (from Latin circumferentia, meaning "carrying around") of a circle is the (linear) distance around it.

## Composite number

A composite number is a positive integer that can be formed by multiplying together two smaller positive integers.

## Computer science

Computer science deals with the theoretical foundations of information and computation, together with practical techniques for the implementation and application of these foundations.

## Computing

Computing is any goal-oriented activity requiring, benefiting from, or creating computers.

## Copeland–Erdős constant

The Copeland–Erdős constant is the concatenation of "0." with the base 10 representations of the prime numbers in order.

## Cosine similarity

Cosine similarity is a measure of similarity between two non-zero vectors of an inner product space that measures the cosine of the angle between them.

## Coulomb

The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge.

## Coulomb's constant

Coulomb's constant, the electric force constant, or the electrostatic constant (denoted) is a proportionality constant in electrodynamics equations.

## Counting

Counting is the action of finding the number of elements of a finite set of objects.

## Crore

A crore (abbreviated cr) or koti denotes ten million (10,000,000 or 107 in scientific notation) and is equal to 100 lakh in the Indian numbering system as 1,00,00,000 with the local style of digit group separators (a lakh is equal to one hundred thousand and is written as 1,00,000).

## Cube

In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.

## Cube root

In mathematics, a cube root of a number x is a number y such that y3.

## Cuboid

In geometry, a cuboid is a convex polyhedron bounded by six quadrilateral faces, whose polyhedral graph is the same as that of a cube.

## Cyclic number

A cyclic number is an integer in which cyclic permutations of the digits are successive multiples of the number.

## Dawson function

In mathematics, the Dawson function or Dawson integral (named after H. G. Dawson) is either also denoted as F(x) or D(x), or alternatively The Dawson function is the one-sided Fourier–Laplace sine transform of the Gaussian function, It is closely related to the error function erf, as where erfi is the imaginary error function, Similarly, in terms of the real error function, erf.

## Decimal

The decimal numeral system (also called base-ten positional numeral system, and occasionally called denary) is the standard system for denoting integer and non-integer numbers.

## Deutsches Institut für Normung

Deutsches Institut f&uuml;r Normung e.V. (DIN; in English, the German Institute for Standardization) is the German national organization for standardization and is the German ISO member body.

## Diagonal

In geometry, a diagonal is a line segment joining two vertices of a polygon or polyhedron, when those vertices are not on the same edge.

## Dialect

The term dialect (from Latin,, from the Ancient Greek word,, "discourse", from,, "through" and,, "I speak") is used in two distinct ways to refer to two different types of linguistic phenomena.

## Divisor

In mathematics, a divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n. In this case, one also says that n is a multiple of m. An integer n is divisible by another integer m if m is a divisor of n; this implies dividing n by m leaves no remainder.

## Doubling the cube

Doubling the cube, also known as the Delian problem, is an ancient geometric problem.

## Dozen

A dozen (commonly abbreviated doz or dz) is a grouping of twelve.

## Dual number

In linear algebra, the dual numbers extend the real numbers by adjoining one new element ε with the property ε2.

## Duodecimal

The duodecimal system (also known as base 12 or dozenal) is a positional notation numeral system using twelve as its base.

## E (mathematical constant)

The number is a mathematical constant, approximately equal to 2.71828, which appears in many different settings throughout mathematics.

## Electronvolt

In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).

## Element (mathematics)

In mathematics, an element, or member, of a set is any one of the distinct objects that make up that set.

## Embree–Trefethen constant

In number theory, the Embree–Trefethen constant is a threshold value labelled β*.

## English numerals

English number words include numerals and various words derived from them, as well as a large number of words borrowed from other languages.

## Equal temperament

An equal temperament is a musical temperament, or a system of tuning, in which the frequency interval between every pair of adjacent notes has the same ratio.

## Equilateral triangle

In geometry, an equilateral triangle is a triangle in which all three sides are equal.

## Erdős–Borwein constant

The Erdős–Borwein constant is the sum of the reciprocals of the Mersenne numbers.

## Euler number

In mathematics, the Euler numbers are a sequence En of integers defined by the Taylor series expansion where is the hyperbolic cosine.

## Euler–Mascheroni constant

The Euler–Mascheroni constant (also called Euler's constant) is a mathematical constant recurring in analysis and number theory, usually denoted by the lowercase Greek letter gamma.

## Exa-

Exa is a decimal unit prefix in the metric system denoting 1018 or.

## Factorial

In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n. For example, The value of 0! is 1, according to the convention for an empty product.

## Fahrenheit

The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686–1736).

The farad (symbol: F) is the SI derived unit of electrical capacitance, the ability of a body to store an electrical charge.

## Favard constant

In mathematics, the Favard constant, also called the Akhiezer&ndash;Krein&ndash;Favard constant, of order r is defined as This constant is named after the French mathematician Jean Favard, and after the Soviet mathematicians Naum Akhiezer and Mark Krein.

## Feigenbaum constants

In mathematics, specifically bifurcation theory, the Feigenbaum constants are two mathematical constants which both express ratios in a bifurcation diagram for a non-linear map.

## Feller–Tornier constant

In mathematics, the Feller–Tornier constant CFT is the density of the set of all integers that have an even number of prime factors (counted by multiplicities).

## Field (mathematics)

In mathematics, a field is a set on which addition, subtraction, multiplication, and division are defined, and behave as when they are applied to rational and real numbers.

## Fine-structure constant

In physics, the fine-structure constant, also known as Sommerfeld's constant, commonly denoted (the Greek letter ''alpha''), is a fundamental physical constant characterizing the strength of the electromagnetic interaction between elementary charged particles.

## Finite set

In mathematics, a finite set is a set that has a finite number of elements.

## Floating-point arithmetic

In computing, floating-point arithmetic is arithmetic using formulaic representation of real numbers as an approximation so as to support a trade-off between range and precision.

## Fraction (mathematics)

A fraction (from Latin fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.

## Fransén–Robinson constant

The Fransén–Robinson constant, sometimes denoted F, is the mathematical constant that represents the area between the graph of the reciprocal Gamma function, 1/&Gamma;(x), and the positive x axis.

## Fresnel integral

Plots of ''S''(''x'') and ''C''(''x''). The maximum of ''C''(''x'') is about 0.977451424. If \frac\pi2t^2 were used instead of t^2, then the image would be scaled vertically and horizontally (see below). Fresnel integrals, S(x) and C(x), are two transcendental functions named after Augustin-Jean Fresnel that are used in optics, which are closely related to the error function (erf).

## Gauss's constant

In mathematics, Gauss's constant, denoted by G, is defined as the reciprocal of the arithmetic–geometric mean of 1 and the square root of 2: The constant is named after Carl Friedrich Gauss, who on May 30, 1799 discovered that so that where Β denotes the beta function.

## Gauss–Kuzmin–Wirsing operator

In mathematics, the Gauss–Kuzmin–Wirsing operator is the transfer operator of the Gauss map.

## Gaussian integral

The Gaussian integral, also known as the Euler–Poisson integral, is the integral of the Gaussian function e−x2 over the entire real line.

## Gelfond's constant

In mathematics, Gelfond's constant, named after Aleksandr Gelfond, is e, that is, e raised to the power pi.

## Gelfond–Schneider constant

The Gelfond–Schneider constant or Hilbert number is two to the power of the square root of two: which was proved to be a transcendental number by Rodion Kuzmin in 1930.

## Geometry

Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.

The Gettysburg Address is a speech by U.S. President Abraham Lincoln, and one of the best-known speeches in American history.

## Giga-

Giga is a unit prefix in the metric system denoting a factor of a (short-form) billion (109 or 000).

## Giuseppe Peano

Giuseppe Peano (27 August 1858 – 20 April 1932) was an Italian mathematician and glottologist.

## Glaisher–Kinkelin constant

In mathematics, the Glaisher–Kinkelin constant or Glaisher's constant, typically denoted A, is a mathematical constant, related to the K-function and the Barnes G-function.

## Golden ratio

In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities.

## Golomb–Dickman constant

In mathematics, the Golomb–Dickman constant arises in the theory of random permutations and in number theory.

## Googol

A googol is the large number 10100.

## Googolplex

A googolplex is the number 10, or equivalently, 10.

## Graham's number

Graham's number is an enormous number that arises as an upper bound on the answer of a problem in the mathematical field of Ramsey theory.

## Gravitational constant

The gravitational constant (also known as the "universal gravitational constant", the "Newtonian constant of gravitation", or the "Cavendish gravitational constant"), denoted by the letter, is an empirical physical constant involved in the calculation of gravitational effects in Sir Isaac Newton's law of universal gravitation and in Albert Einstein's general theory of relativity.

## Greatest common divisor

In mathematics, the greatest common divisor (gcd) of two or more integers, which are not all zero, is the largest positive integer that divides each of the integers.

## Gross (unit)

In English and related languages, several terms involving the words "great" or "gross" (possibly, from grosse thick) relate to numbers involving multiples of exponents of twelve (dozen).

## Grothendieck inequality

In mathematics, the Grothendieck inequality states that there is a universal constant k with the following property.

## Hafner–Sarnak–McCurley constant

The Hafner–Sarnak–McCurley constant is a mathematical constant representing the probability that the determinants of two randomly chosen square integer matrices will be relatively prime.

## Heath-Brown–Moroz constant

The Heath-Brown–Moroz constant C, named for Roger Heath-Brown and Boris Moroz, is defined as where p runs over the primes.

## Hexagon

In geometry, a hexagon (from Greek ἕξ hex, "six" and γωνία, gonía, "corner, angle") is a six-sided polygon or 6-gon.

## Highly composite number

A highly composite number (or anti-prime) is a positive integer with more divisors than any smaller positive integer has.

## Hinduism

Hinduism is an Indian religion and dharma, or a way of life, widely practised in the Indian subcontinent.

## Hypercomplex number

In mathematics, a hypercomplex number is a traditional term for an element of a unital algebra over the field of real numbers.

## Imaginary unit

The imaginary unit or unit imaginary number is a solution to the quadratic equation.

## Indefinite and fictitious numbers

Many languages have words expressing indefinite and fictitious numbers—inexact terms of indefinite size, used for comic effect, for exaggeration, as placeholder names, or when precision is unnecessary or undesirable.

## Indian religions

Indian religions, sometimes also termed as Dharmic faiths or religions, are the religions that originated in the Indian subcontinent; namely Hinduism, Jainism, Buddhism and Sikhism.

## Infinitesimal

In mathematics, infinitesimals are things so small that there is no way to measure them.

## Infinity

Infinity (symbol) is a concept describing something without any bound or larger than any natural number.

## Integer

An integer (from the Latin ''integer'' meaning "whole")Integer&#x2009;'s first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").

## Integer (computer science)

In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.

## Integer sequence

In mathematics, an integer sequence is a sequence (i.e., an ordered list) of integers.

The interesting number paradox is a semi-humorous paradox which arises from the attempt to classify natural numbers as "interesting" or "dull".

## Irrational number

In mathematics, the irrational numbers are all the real numbers which are not rational numbers, the latter being the numbers constructed from ratios (or fractions) of integers.

## ISO 216

ISO 216 specifies international standard (ISO) paper sizes used in most countries in the world today, although not in Canada, the United States, Mexico, or the Dominican Republic.

## Jacques Pelletier du Mans

Jacques Pelletier du Mans, also spelled Peletier, in Latin: Peletarius, (1517–1582) was a humanist, poet and mathematician of the French Renaissance.

## Kepler conjecture

The Kepler conjecture, named after the 17th-century mathematician and astronomer Johannes Kepler, is a mathematical theorem about sphere packing in three-dimensional Euclidean space.

## Kepler–Bouwkamp constant

In plane geometry, the Kepler–Bouwkamp constant (or polygon inscribing constant) is obtained as a limit of the following sequence.

## Khinchin's constant

In number theory, Aleksandr Yakovlevich Khinchin proved that for almost all real numbers x, coefficients ai of the continued fraction expansion of x have a finite geometric mean that is independent of the value of x and is known as Khinchin's constant.

## Kilo-

Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103).

## Komornik–Loreti constant

The Komornik–Loreti constant is a mathematical constant that represents the smallest number for which there still exists a unique q-development.

## Lakh

A lakh (abbreviated L; sometimes written Lac or Lacs) is a unit in the Indian numbering system equal to one hundred thousand (100,000; scientific notation: 105).

## Lambert W function

In mathematics, the Lambert W function, also called the omega function or product logarithm, is a set of functions, namely the branches of the inverse relation of the function f(z).

## Landau's constants

In complex analysis, a branch of mathematics, Landau's constants are certain mathematical constants that describe the behaviour of holomorphic functions defined on the unit disk.

## Landau–Ramanujan constant

In mathematics and the field of number theory, the Landau–Ramanujan constant is a number that occurs in a theorem stating that for large x, the number of positive integers below x that are the sum of two square numbers varies as The constant is named after its discoverers, Edmund Landau and Srinivasa Ramanujan.

## Laplace limit

In mathematics, the Laplace limit is the maximum value of the eccentricity for which a solution to Kepler's equation, in terms of a power series in the eccentricity, converges.

## Large numbers

Large numbers are numbers that are significantly larger than those ordinarily used in everyday life, for instance in simple counting or in monetary transactions.

## Laws (dialogue)

The Laws (Greek: Νόμοι, Nómoi; Latin: De Legibus) is Plato's last and longest dialogue.

## Lévy's constant

In mathematics Lévy's constant (sometimes known as the Khinchin–Lévy constant) occurs in an expression for the asymptotic behaviour of the denominators of the convergents of continued fractions.

## Limit ordinal

In set theory, a limit ordinal is an ordinal number that is neither zero nor a successor ordinal.

## List of numbers in various languages

The following tables list the cardinal number names and symbols for the numbers 0 through 10 in various languages and scripts of the world.

## List of prime numbers

A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.

## List of types of numbers

Numbers can be classified according to how they are represented or according to the properties that they have.

## Logarithm

In mathematics, the logarithm is the inverse function to exponentiation.

## Long and short scales

The long and short scales are two of several large-number naming systems for integer powers of ten that use the same words with different meanings.

## Look-and-say sequence

In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: To generate a member of the sequence from the previous member, read off the digits of the previous member, counting the number of digits in groups of the same digit.

## Mathematical constant

A mathematical constant is a special number that is "significantly interesting in some way".

## Mega-

Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 000).

## Meissel–Mertens constant

The Meissel–Mertens constant (named after Ernst Meissel and Franz Mertens), also referred to as Mertens constant, Kronecker's constant, Hadamard–de la Vallée-Poussin constant or the prime reciprocal constant, is a mathematical constant in number theory, defined as the limiting difference between the harmonic series summed only over the primes and the natural logarithm of the natural logarithm: \sum_ \frac - \ln(\ln n) \right).

## Mersenne prime

In mathematics, a Mersenne prime is a prime number that is one less than a power of two.

## Metre

The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).

## Metric prefix

A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or fraction of the unit.

## Millennium

A millennium (plural millennia or, rarely, millenniums) is a period equal to 1000 years, also called kiloyears.

## Mills' constant

In number theory, Mills' constant is defined as the smallest positive real number A such that the floor function of the double exponential function is a prime number, for all natural numbers n. This constant is named after William H. Mills who proved in 1947 the existence of A based on results of Guido Hoheisel and Albert Ingham on the prime gaps.

## Minute

The minute is a unit of time or angle.

## Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

## Molar mass constant

The molar mass constant, symbol Mu, is a physical constant which relates relative atomic mass and molar mass.

## MRB constant

The MRB constant, named after Marvin Ray Burns, is a mathematical constant for which no closed-form expression is known.

## Multiplicative inverse

In mathematics, a multiplicative inverse or reciprocal for a number x, denoted by 1/x or x&minus;1, is a number which when multiplied by x yields the multiplicative identity, 1.

A myriad (from Ancient Greek label) is technically the number ten thousand; in that sense, the term is used almost exclusively in translations from Greek, Latin, or Chinese, or when talking about ancient Greek numbers.

## Names for the number 0

There are several names for the number 0 in different languages.

## Names for the number 0 in English

There are names for the number 0 in English and related concepts, and there are concomitant names for the decades whose tens column contains the number 0.

## Names of large numbers

This article lists and discusses the usage and derivation of names of large numbers, together with their possible extensions.

## Names of small numbers

This article lists and discusses the usage and derivation of names of small numbers.

## Natural logarithm of 2

The decimal value of the natural logarithm of 2 is approximately as shown in the first line of the table below.

## Natural number

In mathematics, the natural numbers are those used for counting (as in "there are six coins on the table") and ordering (as in "this is the third largest city in the country").

## Negative number

In mathematics, a negative number is a real number that is less than zero.

## Newton (unit)

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

## Nicolas Chuquet

Nicolas Chuquet (1445, but some sources say 1455, Paris, France &ndash; 1488, some sources say 1500, Lyon, France) was a French mathematician.

## Niven's constant

In number theory, Niven's constant, named after Ivan Niven, is the largest exponent appearing in the prime factorization of any natural number n "on average".

## Number

A number is a mathematical object used to count, measure and also label.

## Number of the Beast

The Number of the Beast (Ἀριθμὸς τοῦ θηρίου, Arithmos tou Thēriou) is a term in the Book of Revelation, of the New Testament, that is associated with the Beast of Revelation in chapter 13.

## Number theory

Number theory, or in older usage arithmetic, is a branch of pure mathematics devoted primarily to the study of the integers.

## Numeral (linguistics)

In linguistics, a numeral is a member of a part of speech characterized by the designation of numbers; some examples are the English word 'two' and the compound 'seventy-seventh'.

## Numeral prefix

Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers.

## Numerology

Numerology is any belief in the divine or mystical relationship between a number and one or more coinciding events.

## Octagon

In geometry, an octagon (from the Greek ὀκτάγωνον oktágōnon, "eight angles") is an eight-sided polygon or 8-gon.

## Octonion

In mathematics, the octonions are a normed division algebra over the real numbers, usually represented by the capital letter O, using boldface O or blackboard bold \mathbb O. There are three lower-dimensional normed division algebras over the reals: the real numbers R themselves, the complex numbers C, and the quaternions H. The octonions have eight dimensions; twice the number of dimensions of the quaternions, of which they are an extension.

## Omega constant

The omega constant is a mathematical constant defined by It is the value of W(1) where W is Lambert's W function.

## One half

One half is the irreducible fraction resulting from dividing one by two or the fraction resulting from dividing any number by its double.

## Orders of magnitude (numbers)

This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantity and probabilities.

## Ordinal number

In set theory, an ordinal number, or ordinal, is one generalization of the concept of a natural number that is used to describe a way to arrange a collection of objects in order, one after another.

## Ordinal number (linguistics)

In linguistics, ordinal numbers (or ordinal numerals) are words representing position or rank in a sequential order; the order may be of size, importance, chronology, and so on (e.g., "third", "tertiary").

## Pandigital number

In mathematics, a pandigital number is an integer that in a given base has among its significant digits each digit used in the base at least once.

## Paper size

Many paper size standards conventions have existed at different times and in different countries.

## Parity (mathematics)

In mathematics, parity is the property of an integer's inclusion in one of two categories: even or odd.

## Parts-per notation

In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.

## Pentagon

In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon.

## Per mille

A per milleCambridge Dictionary Online.

## Percentage

In mathematics, a percentage is a number or ratio expressed as a fraction of 100.

## Perfect number

In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself (also known as its aliquot sum).

## Perfect power

In mathematics, a perfect power is a positive integer that can be expressed as an integer power of another positive integer.

## Perfect totient number

In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients.

## Peta-

Peta is a decimal unit prefix in the metric system denoting multiplication by 1015.

## Physical constant

A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that is generally believed to be both universal in nature and have constant value in time.

## Pi

The number is a mathematical constant.

## Placeholder name

Placeholder names are words that can refer to objects or people whose names are temporarily forgotten, irrelevant, or unknown in the context in which they are being discussed.

## Planck constant

The Planck constant (denoted, also called Planck's constant) is a physical constant that is the quantum of action, central in quantum mechanics.

## Plastic number

In mathematics, the plastic number (also known as the plastic constant, the minimal Pisot number, the platin number, Siegel's number or, in French, le nombre radiant) is a mathematical constant which is the unique real solution of the cubic equation It has the exact value Its decimal expansion begins with.

## Plato

Plato (Πλάτων Plátōn, in Classical Attic; 428/427 or 424/423 – 348/347 BC) was a philosopher in Classical Greece and the founder of the Academy in Athens, the first institution of higher learning in the Western world.

## Power of 10

In mathematics, a power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer).

## Power of two

In mathematics, a power of two is a number of the form where is an integer, i.e. the result of exponentiation with number two as the base and integer as the exponent.

## Prime constant

The prime constant is the real number \rho whose nth binary digit is 1 if n is prime and 0 if n is composite or 1.

## Prime number

A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

## Prince Rupert's cube

In geometry, Prince Rupert's cube (named after Prince Rupert of the Rhine) is the largest cube that can pass through a hole cut through a unit cube, i.e. through a cube whose sides have length 1, without splitting the cube into two pieces.

## Prouhet–Thue–Morse constant

In mathematics, the Prouhet–Thue–Morse constant, named for Eugène Prouhet, Axel Thue, and Marston Morse, is the number—denoted by \tau—whose binary expansion.01101001100101101001011001101001...

## Quaternion

In mathematics, the quaternions are a number system that extends the complex numbers.

## Quotient

In arithmetic, a quotient (from quotiens "how many times", pronounced) is the quantity produced by the division of two numbers.

The radian (SI symbol rad) is the SI unit for measuring angles, and is the standard unit of angular measure used in many areas of mathematics.

In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

## Ramanujan–Soldner constant

In mathematics, the Ramanujan–Soldner constant (also called the Soldner constant) is a mathematical constant defined as the unique positive zero of the logarithmic integral function.

## Random Fibonacci sequence

In mathematics, the random Fibonacci sequence is a stochastic analogue of the Fibonacci sequence defined by the recurrence relation fn.

## Rational number

In mathematics, a rational number is any number that can be expressed as the quotient or fraction of two integers, a numerator and a non-zero denominator.

## Real number

In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line.

## Reciprocal Fibonacci constant

The reciprocal Fibonacci constant, or ψ, is defined as the sum of the reciprocals of the Fibonacci numbers: The ratio of successive terms in this sum tends to the reciprocal of the golden ratio.

## Rectangle

In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles.

## Riemann zeta function

The Riemann zeta function or Euler–Riemann zeta function,, is a function of a complex variable s that analytically continues the sum of the Dirichlet series which converges when the real part of is greater than 1.

## Riemann–Siegel formula

In mathematics, the Riemann–Siegel formula is an asymptotic formula for the error of the approximate functional equation of the Riemann zeta function, an approximation of the zeta function by a sum of two finite Dirichlet series.

## Root of unity

In mathematics, a root of unity, occasionally called a de Moivre number, is any complex number that gives 1 when raised to some positive integer power.

## Rydberg constant

The Rydberg constant, symbol R∞ for heavy atoms or RH for hydrogen, named after the Swedish physicist Johannes Rydberg, is a physical constant relating to atomic spectra, in the science of spectroscopy.

## Sedenion

In abstract algebra, the sedenions form a 16-dimensional noncommutative and nonassociative algebra over the reals obtained by applying the Cayley–Dickson construction to the octonions.

## Semitone

A semitone, also called a half step or a half tone, is the smallest musical interval commonly used in Western tonal music, and it is considered the most dissonant when sounded harmonically.

## Set (mathematics)

In mathematics, a set is a collection of distinct objects, considered as an object in its own right.

## Set theory

Set theory is a branch of mathematical logic that studies sets, which informally are collections of objects.

## Sexagesimal

Sexagesimal (base 60) is a numeral system with sixty as its base.

## Shannon number

The Shannon number, named after Claude Shannon, is a conservative lower bound (not an estimate) of the game-tree complexity of chess of 10120, based on an average of about 103 possibilities for a pair of moves consisting of a move for White followed by one for Black, and a typical game lasting about 40 such pairs of moves.

## Sierpiński's constant

Sierpiński's constant is a mathematical constant usually denoted as K. One way of defining it is by limiting the expression: where r2(k) is a number of representations of k as a sum of the form a2 + b2 for natural a and b. It can be given in closed form as: K &.

## Silver ratio

In mathematics, two quantities are in the silver ratio (also silver mean or silver constant) if the ratio of the sum of the smaller and twice the larger of those quantities, to the larger quantity, is the same as the ratio of the larger one to the smaller one (see below).

## Skewes's number

In number theory, Skewes's number is any of several extremely large numbers used by the South African mathematician Stanley Skewes as upper bounds for the smallest natural number x for which where π is the prime-counting function and li is the logarithmic integral function.

## Small number

Within a set of positive numbers, a number is small if it is close to zero.

## Snub cube

In geometry, the snub cube, or snub cuboctahedron, is an Archimedean solid with 38 faces: 6 squares and 32 equilateral triangles.

In mathematics, Somos' quadratic recurrence constant, named after Michael Somos, is the number 1^\;2^\; 3^ \cdots.\, This can be easily re-written into the far more quickly converging product representation \left(\frac \right)^ \left(\frac \right)^ \left(\frac \right)^ \left(\frac \right)^ \cdots.

## Space diagonal

In geometry a space diagonal (also interior diagonal or body diagonal) of a polyhedron is a line connecting two vertices that are not on the same face.

## Speed of light

The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.

## Square

In geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90-degree angles, or (100-gradian angles or right angles). It can also be defined as a rectangle in which two adjacent sides have equal length. A square with vertices ABCD would be denoted.

## Square root of 2

The square root of 2, or the (1/2)th power of 2, written in mathematics as or, is the positive algebraic number that, when multiplied by itself, gives the number 2.

## Square root of 3

The square root of 3 is the positive real number that, when multiplied by itself, gives the number 3.

## Square root of 5

The square root of 5 is the positive real number that, when multiplied by itself, gives the prime number 5.

## Stefan–Boltzmann constant

The Stefan–Boltzmann constant (also Stefan's constant), a physical constant denoted by the Greek letter ''σ'' (sigma), is the constant of proportionality in the Stefan–Boltzmann law: "the total intensity radiated over all wavelengths increases as the temperature increases", of a black body which is proportional to the fourth power of the thermodynamic temperature.

## Steinhaus–Moser notation

In mathematics, Steinhaus–Moser notation is a notation for expressing certain extremely large numbers.

## Stephens' constant

Stephens' constant expresses the density of certain subsets of the prime numbers.

## Surreal number

In mathematics, the surreal number system is a totally ordered proper class containing the real numbers as well as infinite and infinitesimal numbers, respectively larger or smaller in absolute value than any positive real number.

## Table of prime factors

The tables contain the prime factorization of the natural numbers from 1 to 1000.

## Taxicab number

In mathematics, the nth taxicab number, typically denoted Ta(n) or Taxicab(n), also called the nth Hardy–Ramanujan number, is defined as the smallest number that can be expressed as a sum of two positive cube numbers in n distinct ways.

## Tera-

Tera is a unit prefix in the metric system denoting multiplication by 1012 or (one trillion short scale; one billion long scale).

## The Hitchhiker's Guide to the Galaxy

The Hitchhiker's Guide to the Galaxy (sometimes referred to as HG2G, HHGTTG or H2G2) is a comedy science fiction series created by Douglas Adams.

## The Penguin Dictionary of Curious and Interesting Numbers

The Penguin Dictionary of Curious and Interesting Numbers is a reference book for recreational mathematics and elementary number theory written by David Wells.

## Total order

In mathematics, a linear order, total order, simple order, or (non-strict) ordering is a binary relation on some set X, which is antisymmetric, transitive, and a connex relation.

## Transcendental function

A transcendental function is an analytic function that does not satisfy a polynomial equation, in contrast to an algebraic function.

## Transfinite number

Transfinite numbers are numbers that are "infinite" in the sense that they are larger than all finite numbers, yet not necessarily absolutely infinite.

## Tridevi

The Tridevi (three goddesses; Sanskrit: त्रिदेवी) is a concept in Hinduism joining a triad of eminent goddesses either as a feminine version of the Trimurti or as consorts of a masculine Trimurti, depending on the denomination.

## Trimurti

The Trimūrti (Sanskrit: त्रिमूर्ति, "three forms") is the trinity of supreme divinity in Hinduism in which the cosmic functions of creation, maintenance, and destruction are personified as a triad of deities, typically Brahma the creator, Vishnu the preserver, and Shiva the destroyer, though individual denominations may vary from that particular line-up.

## Trinity

The Christian doctrine of the Trinity (from Greek τριάς and τριάδα, from "threefold") holds that God is one but three coeternal consubstantial persons or hypostases—the Father, the Son (Jesus Christ), and the Holy Spirit—as "one God in three Divine Persons".

## Turn (geometry)

A turn is a unit of plane angle measurement equal to 2pi radians, 360 degrees or 400 gradians.

## Twelfth root of two

The twelfth root of two or is an algebraic irrational number.

## Two's complement

Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.

## Universal parabolic constant

The universal parabolic constant is a mathematical constant.

## Vesica piscis

The vesica piscis is a type of lens, a mathematical shape formed by the intersection of two disks with the same radius, intersecting in such a way that the center of each disk lies on the perimeter of the other.

## Vigesimal

The vigesimal or base 20 numeral system is based on twenty (in the same way in which the decimal numeral system is based on ten).

## Volume

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.

## Yotta-

Yotta is the largest decimal unit prefix in the metric system, denoting a factor of 1024 or; that is, one million million million million, or one septillion.

## Zetta-

Zetta is a decimal unit prefix in the metric system denoting a factor of 1021 or.

## 0

0 (zero) is both a number and the numerical digit used to represent that number in numerals.

## 0.999...

In mathematics, 0.999... (also written 0., among other ways), denotes the repeating decimal consisting of infinitely many 9s after the decimal point (and one 0 before it).

## 1

1 (one, also called unit, unity, and (multiplicative) identity) is a number, numeral, and glyph.

## 1,000,000

1,000,000 (one million), or one thousand thousand, is the natural number following 999,999 and preceding 1,000,001.

## 1,000,000,000

1,000,000,000 (one billion, short scale; one thousand million or milliard, yard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.

## 10

10 (ten) is an even natural number following 9 and preceding 11.

## 10,000

10,000 (ten thousand) is the natural number following 9,999 and preceding 10,001.

## 10,000,000

10,000,000 (ten million) is the natural number following 9,999,999 and preceding 10,000,001.

## 100 (number)

100 or one hundred (Roman numeral: Ⅽ) is the natural number following 99 and preceding 101.

## 100,000

100,000 (one hundred thousand) is the natural number following 99,999 and preceding 100,001.

## 100,000,000

100,000,000 (one hundred million) is the natural number following 99,999,999 and preceding 100,000,001.

## 1000 (number)

1000 or one thousand is the natural number following 999 and preceding 1001.

## 101 (number)

101 (one hundred one) is the natural number following 100 and preceding 102.

## 102 (number)

102 (one hundred two) is the natural number following 101 and preceding 103.

## 103 (number)

103 (one hundred three) is the natural number following 102 and preceding 104.

## 104 (number)

104 (one hundred four) is the natural number following 103 and preceding 105.

## 105 (number)

105 (one hundred five) is the natural number following 104 and preceding 106.

## 106 (number)

106 (one hundred six) is the natural number following 105 and preceding 107.

## 107 (number)

107 (one hundred seven) is the natural number following 106 and preceding 108.

## 108 (number)

108 (one hundred eight) is the natural number following 107 and preceding 109.

## 109 (number)

109 (one hundred nine) is the natural number following 108 and preceding 110.

## 11 (number)

11 (eleven) is the natural number following 10 and preceding 12.

## 110 (number)

110 (one hundred ten) is the natural number following 109 and preceding 111.

## 111 (number)

111 (One hundred eleven) is the natural number following 110 and preceding 112.

## 112 (number)

112 (one hundred twelve) is the natural number following 111 and preceding 113.

## 113 (number)

The number 113 (one hundred thirteen) is used in many contexts.

## 114 (number)

114 (one hundred fourteen) is the natural number following 113 and preceding 115.

## 115 (number)

115 (one hundred fifteen) is the natural number following 114 and preceding 116.

## 116 (number)

116 (one hundred sixteen) is the natural number following 115 and preceding 117.

## 117 (number)

117 (one hundred seventeen) is the natural number following 116 and preceding 118.

## 118 (number)

118 (one hundred eighteen) is the natural number following 117 and preceding 119.

## 119 (number)

119 (one hundred nineteen) is the natural number following 118 and preceding 120.

## 12 (number)

12 (twelve) is the natural number following 11 and preceding 13.

## 120 (number)

120, read as one hundred twenty, is the natural number following 119 and preceding 121.

## 121 (number)

121 (one hundred twenty-one) is the natural number following 120 and preceding 122.

## 122 (number)

122 (one hundred twenty-two) is the natural number following 121 and preceding 123.

## 123 (number)

123 (one hundred twenty-three) is the natural number following 122 and preceding 124.

## 124 (number)

124 (one hundred twenty-four) is the natural number following 123 and preceding 125.

## 125 (number)

125 (one hundred twenty-five) is the natural number following 124 and preceding 126.

## 126 (number)

126 (one hundred twenty-six) is the natural number following 125 and preceding 127.

## 127 (number)

127 (one hundred twenty-seven) is the natural number following 126 and preceding 128.

## 128 (number)

128 (one hundred twenty-eight) is the natural number following 127 and preceding 129.

## 129 (number)

129 (one hundred twenty-nine) is the natural number following 128 and preceding 130.

## 13 (number)

13 (thirteen) is the natural number following 12 and preceding 14.

## 130 (number)

130 (one hundred thirty) is the natural number following 129 and preceding 131.

## 131 (number)

131 (one hundred thirty-one) is the natural number following 130 and preceding 132.

## 132 (number)

132 (one hundred thirty-two) is the natural number following 131 and preceding 133.

## 133 (number)

133 (one hundred thirty-three) is the natural number following 132 and preceding 134.

## 134 (number)

134 (one hundred thirty-four) is the natural number following 133 and preceding 135.

## 135 (number)

135 (one hundred thirty-five) is the natural number following 134 and preceding 136.

## 136 (number)

136 (one hundred thirty six) is the natural number following 135 and preceding 137.

## 137 (number)

137 (one hundred thirty-seven) is the natural number following 136 and preceding 138.

## 138 (number)

138 (one hundred thirty-eight) is the natural number following 137 and preceding 139.

## 139 (number)

139 (One hundred thirty-nine) is the natural number following 138 and preceding 140.

## 14 (number)

14 (fourteen) is a natural number following 13 and succeeded by 15.

## 140 (number)

140 (one hundred forty) is the natural number following 139 and preceding 141.

## 141 (number)

141 (one hundred forty-one) is the natural number following 140 and preceding 142.

## 142 (number)

142 (one hundred forty-two) is the natural number following 141 and preceding 143.

## 142,857

142857, the six repeating digits of, 0.

## 143 (number)

143 (one hundred forty-three) is the natural number following 142 and preceding 144.

## 144 (number)

144 (one hundred forty-four) is the natural number following 143 and preceding 145.

## 145 (number)

145 (one hundred forty-five) is the natural number following 144 and preceding 146.

## 146 (number)

146 (one hundred forty-six) is the natural number following 145 and preceding 147.

## 147 (number)

147 (one hundred forty-seven) is the natural number following 146 and preceding 148.

## 148 (number)

148 (one hundred forty-eight) is the natural number following 147 and before 149.

## 149 (number)

149 (one hundred forty-nine) is the natural number between 148 and 150.

## 15 (number)

15 (fifteen) is a number, numeral, and glyph.

## 150 (number)

150 (one hundred fifty) is the natural number following 149 and preceding 151.

## 151 (number)

151 (one hundred fifty-one) is a natural number.

## 152 (number)

152 (one hundred fifty-two) is the natural number following 151 and preceding 153.

## 153 (number)

153 (one hundred fifty-three) is the natural number following 152 and preceding 154.

## 154 (number)

154 (one hundred fifty-four) is the natural number following 153 and preceding 155.

## 155 (number)

155 (one hundred fifty-five) is the natural number following 154 and preceding 156.

## 156 (number)

156 (one hundred fifty-six) is the natural number, following 155 and preceding 157.

## 157 (number)

157 (one hundred fifty-seven) is the number following 156 and preceding 158.

## 158 (number)

158 (one hundred fifty-eight) is the natural number following 157 and preceding 159.

## 159 (number)

159 (one hundred fifty-nine) is a natural number following 158 and preceding 160.

## 16 (number)

16 (sixteen) is the natural number following 15 and preceding 17.

## 16-bit

16-bit microcomputers are computers in which 16-bit microprocessors were the norm.

## 160 (number)

160 (one hundred sixty) is the natural number following 159 and preceding 161.

## 161 (number)

161 (one hundred sixty-one) is the natural number following 160 and preceding 162.

## 162 (number)

162 (one hundred sixty-two) is the natural number between 161 and 163.

## 163 (number)

163 (one hundred sixty-three) is the natural number following 162 and preceding 164.

## 164 (number)

164 (one hundred sixty-four) is the natural number following 163 and preceding 165.

## 165 (number)

165 (one hundred sixty-five) is the natural number following 164 and preceding 166.

## 166 (number)

166 (one hundred sixty-six) is the natural number following 165 and preceding 167.

## 167 (number)

167 (one hundred sixty-seven) is the natural number following 166 and preceding 168.

## 168 (number)

168 (one hundred sixty-eight) is the natural number following 167 and preceding 169.

## 169 (number)

169 (one hundred sixty-nine) is the natural number following 168 and preceding 170.

## 17 (number)

17 (seventeen) is the natural number following 16 and preceding 18.

## 170 (number)

170 (one hundred seventy) is the natural number following 169 and preceding 171.

## 171 (number)

171 (one hundred seventy-one) is the natural number following 170 and preceding 172.

## 172 (number)

172 (one hundred seventy-two) is the natural number following 171 and preceding 173.

## 1728 (number)

1728 is the natural number following 1727 and preceding 1729.

## 1729 (number)

1729 is the natural number following 1728 and preceding 1730.

## 173 (number)

173 (one hundred seventy-three) is the natural number following 172 and preceding 174.

## 174 (number)

174 (one hundred seventy-four) is the natural number following 173 and preceding 175.

## 175 (number)

175 (one hundred seventy-five) is the natural number following 174 and preceding 176.

## 176 (number)

176 (one hundred seventy-six) is the natural number following 175 and preceding 177.

## 177 (number)

177 (one hundred seventy-seven) is the natural number following 176 and preceding 178.

## 178 (number)

178 (one hundred seventy-eight) is the natural number following 177 and preceding 179.

## 179 (number)

179 (one hundred seventy-nine) is the natural number following 178 and preceding 180.

## 18 (number)

18 (eighteen) is the natural number following 17 and preceding 19.

## 180 (number)

180 (one hundred eighty) is the natural number following 179 and preceding 181.

## 181 (number)

181 (one hundred eighty-one) is the natural number following 180 and preceding 182.

## 182 (number)

182 (one hundred eighty-two) is the natural number following 181 and preceding 183.

## 183 (number)

183 (one hundred eighty-three) is the natural number following 182 and preceding 184.

## 184 (number)

184 (one hundred eighty-four) is the natural number following 183 and preceding 185.

## 185 (number)

185 (one hundred eighty-five) is the natural number following 184 and preceding 186.

## 186 (number)

186 (one hundred eighty-six) is the natural number following 185 and preceding 187.

## 187 (number)

187 (one hundred eighty-seven) is the natural number following 186 and preceding 188.

## 188 (number)

188 (one hundred eighty-eight) is the natural number following 187 and preceding 189.

## 189 (number)

189 (one hundred eighty-nine) is the natural number following 188 and preceding 190.

## 19 (number)

19 (nineteen) is the natural number following 18 and preceding 20.

## 190 (number)

190 (one hundred ninety) is the natural number following 189 and preceding 191.

## 191 (number)

191 (one hundred ninety-one) is the natural number following 190 and preceding 192.

## 192 (number)

192 (one hundred ninety-two) is the natural number following 191 and preceding 193.

## 193 (number)

193 (one hundred ninety-three) is the natural number following 192 and preceding 194.

## 194 (number)

194 (one hundred ninety-four) is the natural number following 193 and preceding 195.

## 195 (number)

195 (one hundred ninety-five) is the natural number following 194 and preceding 196.

## 196 (number)

196 (one hundred ninety-six) is the natural number following 195 and preceding 197.

## 197 (number)

197 (one hundred ninety-seven) is the natural number following 196 and preceding 198.

## 198 (number)

198 (one hundred ninety-eight) is the natural number following 197 and preceding 199.

## 199 (number)

199 (one hundred ninety-nine) is the natural number following 198 and preceding 200.

## 2

2 (two) is a number, numeral, and glyph.

## 2,147,483,647

The number 2,147,483,647 is the eighth Mersenne prime, equal to 231 − 1.

## 20 (number)

20 (twenty) is the natural number following 19 and preceding 21.

## 20,000

20,000 (twenty thousand) is the natural number that comes after 19,999 and before 20,001.

## 200 (number)

200 (two hundred) is the natural number following 199 and preceding 201.

## 2000 (number)

2000 (two thousand) is a natural number following 1999 and preceding 2001.

## 201 (number)

201 (two hundred one) is the natural number following 200 and preceding 202.

## 202 (number)

202 (two hundred two) is the natural number following 201 and preceding 203.

## 203 (number)

203 (two hundred three) is the natural number following 202 and preceding 204.

## 204 (number)

204 (two hundred four) is the natural number following 203 and preceding 205.

## 205 (number)

205 (two hundred five) is the natural number following 204 and preceding 206.

## 206 (number)

206 (two hundred six) is the natural number following 205 and preceding 207.

## 207 (number)

207 (two hundred seven) is the natural number following 206 and preceding 208.

## 208 (number)

208 (two hundred eight) is the natural number following 207 and preceding 209.

## 209 (number)

209 (two hundred nine) is the natural number following 208 and preceding 210.

## 21 (number)

21 (twenty-one) is the natural number following 20 and preceding 22.

## 210 (number)

210 (two hundred ten) is the natural number following 209 and preceding 211.

## 211 (number)

211 (two hundred eleven) is the natural number between 210 and 212.

## 212 (number)

212 (two hundred twelve) is the natural number following 211 and preceding 213.

## 213 (number)

213 (two hundred thirteen) is the number following 212 and preceding 214.

## 214 (number)

214 (two hundred fourteen) is the natural number following 213 and preceding 215.

## 215 (number)

215 (two hundred fifteen) is the natural number following 214 and preceding 216.

## 216 (number)

216 (two hundred sixteen) is the natural number following 215 and preceding 217.

## 217 (number)

217 (two hundred seventeen) is the natural number following 216 and preceding 218.

## 218 (number)

218 (two hundred eighteen) is the natural number following 217 and preceding 219.

## 219 (number)

219 (two hundred nineteen) is the natural number following 218 and preceding 220.

## 22 (number)

22 (twenty-two) is the natural number following 21 and preceding 23.

## 220 (number)

220 (two hundred twenty) is the natural number following 219 and preceding 221.

## 221 (number)

221 (two hundred twenty-one) is the natural number following 220 and preceding 222.

## 222 (number)

222 (two hundred twenty-two) is the natural number following 221 and preceding 223.

## 223 (number)

223 (two hundred twenty-three) is the natural number between 222 and 224.

## 224 (number)

224 (two hundred twenty-four) is the natural number following 223 and preceding 225.

## 225 (number)

225 (two hundred twenty-five) is the natural number following 224 and preceding 226.

## 226 (number)

226 (two hundred twenty-six) is the natural number following 225 and preceding 227.

## 227 (number)

227 (two hundred twenty-seven) is the natural number between 226 and 228.

## 228 (number)

228 (two hundred twenty-eight) is the natural number following 227 and preceding 229.

## 229 (number)

229 (two hundred twenty-nine) is the natural number following 228 and preceding 230.

## 23 (number)

23 (twenty-three) is the natural number following 22 and preceding 24.

## 230 (number)

230 (two hundred thirty) is the natural number following 229 and preceding 231.

## 231 (number)

231 (two hundred thirty-one) is the natural number following 230 and preceding 232.

## 232 (number)

232 (two hundred thirty-two) is the natural number following 231 and preceding 233.

## 233 (number)

233 (two hundred thirty-three) is the natural number following 232 and preceding 234.

## 234 (number)

234 (two hundred thirty-four) is the integer following 233 and preceding 235.

## 235 (number)

235 (two hundred thirty-five) is the integer following 234 and preceding 236.

## 236 (number)

236 (two hundred thirty-six) is the natural number following 235 and preceding 237.

## 237 (number)

237 (two hundred thirty-seven) is the natural number following 236 and preceding 238.

## 238 (number)

238 (two hundred thirty-eight) is the natural number following 237 and preceding 239.

## 239 (number)

239 (two hundred thirty-nine) is the natural number following 238 and preceding 240.

## 24 (number)

24 (twenty-four) is the natural number following 23 and preceding 25.

## 240 (number)

240 (two hundred forty) is the natural number following 239 and preceding 241.

## 241 (number)

241 (two hundred forty-one) is the natural number between 240 and 242.

## 242 (number)

242 (two hundred forty-two) is the natural number following 241 and preceding 243.

## 243 (number)

243 (two hundred forty-three) is the natural number following 242 and preceding 244.

## 244 (number)

244 (two hundred forty-four) is the natural number following 243 and preceding 245.

## 245 (number)

245 (two hundred forty-five) is the natural number following 244 and preceding 246.

## 246 (number)

246 (two hundred forty-six) is the natural number following 245 and preceding 247.

## 247 (number)

247 (two hundred forty-seven) is the natural number following 246 and preceding 248.

## 248 (number)

248 (two hundred forty-eight) is the natural number following 247 and preceding 249.

## 249 (number)

249 (two hundred forty-nine) is the natural number following 248 and preceding 250.

## 25 (number)

25 (twenty-five) is the natural number following 24 and preceding 26.

## 250 (number)

250 (two hundred fifty) is the natural number following 249 and preceding 251.

## 251 (number)

251 (two hundred fifty-one) is the natural number between 250 and 252.

## 252 (number)

252 (two hundred fifty-two) is the natural number following 251 and preceding 253.

## 2520 (number)

2520 (two thousand five hundred twenty) is the natural number following 2519 and preceding 2521.

## 253 (number)

253 (two hundred fifty-three) is the natural number following 252 and preceding 254.

## 254 (number)

254 (two hundred fifty-four) is the natural number following 253 and preceding 255.

## 255 (number)

255 (two hundred fifty-five) is the natural number following 254 and preceding 256.

## 256 (number)

256 (two hundred fifty-six) is the natural number following 255 and preceding 257.

## 257 (number)

257 (two hundred fifty-seven) is the natural number following 256 and preceding 258.

## 258 (number)

258 (two hundred fifty-eight) is the natural number following 257 and preceding 259.

## 259 (number)

259 (two hundred fifty-nine) is the natural number following 258 and preceding 260.

## 26 (number)

26 (twenty-six) is the natural number following 25 and preceding 27.

## 260 (number)

260 (two hundred sixty) is the natural number following 259 and preceding 261.

## 263 (number)

263 is the natural number between 262 and 264.

## 269 (number)

269 (two hundred sixty-nine) is the natural number between 268 and 270.

## 27 (number)

27 (twenty-seven) is the natural number following 26 and preceding 28.

## 270 (number)

270 (two hundred seventy) is the natural number following 269 and preceding 271.

## 277 (number)

277 (two hundred seventy-seven) is the natural number following 276 and preceding 278.

## 28 (number)

28 (twenty-eight) is the natural number following 27 and preceding 29.

## 280 (number)

280 (two hundred eighty) is the natural number after 279 and before 281.

## 29 (number)

29 (twenty-nine) is the natural number following 28 and preceding 30.

## 290 (number)

290 (two hundred ninety) is the natural number following 289 and preceding 291.

## 3

3 (three) is a number, numeral, and glyph.

## 30 (number)

30 (thirty) is the natural number following 29 and preceding 31.

## 30,000

30,000 (thirty thousand) is the natural number that comes after 29,999 and before 30,001.

## 300 (number)

300 (three hundred) is the natural number following 299 and preceding 301.

## 3000 (number)

3000 (three thousand) is the natural number following 2999 and preceding 3001.

## 31 (number)

31 (thirty-one) is the natural number following 30 and preceding 32.

## 311 (number)

311 (three hundred eleven) is the natural number following 310 and preceding 312.

## 313 (number)

313 (three hundred thirteen) is the natural number following 312 and preceding 314.

## 32 (number)

32 (thirty-two) is the natural number following 31 and preceding 33.

## 32-bit

32-bit microcomputers are computers in which 32-bit microprocessors are the norm.

## 33 (number)

33 (thirty-three) is the natural number following 32 and preceding 34.

## 34 (number)

34 (thirty-four) is the natural number following 33 and preceding 35.

## 35 (number)

35 (thirty-five) is the natural number following 34 and preceding 36.

## 353 (number)

353 (three hundred fifty-three) is the natural number following 352 and preceding 354.

## 359 (number)

359 (three hundred fifty-nine) is the natural number following 358 and preceding 360.

## 36 (number)

36 (thirty-six) is the natural number following 35 and preceding 37.

## 360 (number)

360 (three hundred and sixty) or three sixty is the natural number following 359 and preceding 361.

## 37 (number)

37 (thirty-seven) is the natural number following 36 and preceding 38.

## 38 (number)

38 (thirty-eight) is the natural number following 37 and preceding 39.

## 39 (number)

39 (thirty-nine) is the natural number following 38 and preceding 40.

## 4

4 (four) is a number, numeral, and glyph.

## 40 (number)

40 (forty) is the natural number following 39 and preceding 41.

## 40,000

40,000 (forty thousand) is the natural number that comes after 39,999 and before 40,001.

## 400 (number)

400 (four hundred) is the natural number following 399 and preceding 401.

## 4000 (number)

4000 (four thousand) is the natural number following 3999 and preceding 4001.

## 41 (number)

41 (forty-one) is the natural number following 40 and preceding 42.

## 42 (number)

42 (forty-two) is the natural number that succeeds 41 and precedes 43.

## 420 (cannabis culture)

420, 4:20, or 4/20 (pronounced four-twenty) is a code-term in cannabis culture that refers to the consumption of cannabis, especially smoking cannabis around the time 4:20 p.m. (or 16:20 in 24-hour notation) and smoking cannabis in celebration on the date April 20 (which is 4/20 in U.S. form).

## 420 (number)

420 (four hundred twenty) is the natural number following 419 and preceding 421.

## 43 (number)

43 (forty-three) is the natural number following 42 and preceding 44.

## 44 (number)

44 (forty-four) is the natural number following 43 and preceding 45.

## 45 (number)

45 (forty-five) is the natural number following 44 and followed by 46.

## 46 (number)

46 (forty-six) is the natural number following 45 and preceding 47.

## 47 (number)

47 (forty-seven) is the natural number following 46 and preceding 48.

## 48 (number)

48 (forty-eight) is the natural number following 47 and preceding 49.

## 49 (number)

49 (forty-nine) is the natural number following 48 and preceding 50.

## 496 (number)

496 (four hundred ninety-six) is the natural number following 495 and preceding 497.

## 5

5 (five) is a number, numeral, and glyph.

## 50 (number)

50 (fifty) is the natural number following 49 and preceding 51.

## 50,000

50,000 (fifty thousand) is the natural number that comes after 49,999 and before 50,001.

## 500 (number)

500 (five hundred) is the natural number following 499 and preceding 501.

## 5000 (number)

5000 (five thousand) is the natural number following 4999 and preceding 5001.

## 5040 (number)

5040 is a factorial (7!) and one less than a square, making (7, 71) a Brown number pair, a superior highly composite number, a colossally abundant number, and the number of permutations of 4 items out of 10 choices (10 × 9 × 8 × 7.

## 51 (number)

51 (fifty-one) is the natural number 51 following 50 and preceding 52.

## 52 (number)

52 (fifty-two) is the natural number following 51 and preceding 53.

## 53 (number)

53 (fifty-three) is the natural number following 52 and preceding 54.

## 54 (number)

54 (fifty-four) is the natural number following 53 and preceding 55.

## 55 (number)

55 (fifty-five) is the natural number following 54 and preceding 56.

## 56 (number)

56 (fifty-six) is the natural number following 55 and preceding 57.

## 57 (number)

57 (fifty-seven) is the natural number following 56 and preceding 58.

## 58 (number)

58 (fifty-eight) is the natural number following 57 and preceding 59.

## 59 (number)

59 (fifty-nine) is the natural number following 58 and preceding 60.

## 6

6 (six) is the natural number following 5 and preceding 7.

## 60 (number)

60 (sixty) is the natural number following 59 and preceding 61.

## 60,000

60,000 (sixty thousand) is the natural number that comes after 59,999 and before 60,001.

## 600 (number)

600 (six hundred) is the natural number following 599 and preceding 601.

## 6000 (number)

6000 (six thousand) is the natural number following 5999 and preceding 6001.

## 61 (number)

61 (sixty-one) is the natural number following 60 and preceding 62.

## 6174 (number)

6174 is known as Kaprekar's constant after the Indian mathematician D. R. Kaprekar.

## 62 (number)

62 (sixty-two) is a natural number following 61 and preceding 63.

## 63 (number)

63 (sixty-three) is a natural number following 62 and preceding 64.

## 64 (number)

64 (sixty-four) is the natural number following 63 and preceding 65.

## 64-bit computing

In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).

## 65 (number)

65 (sixty-five) is the natural number following 64 and preceding 66.

## 65,535

65535 is the integer after 65534 and before 65536.

## 65,537

65537 is the integer after 65536 and before 65538.

## 66 (number)

66 (sixty-six) is the natural number following 65 and preceding 67.

## 666 (number)

666 (six hundred sixty-six) is the natural number following 665 and preceding 667.

## 67 (number)

67 (sixty-seven) is the natural number following 66 and preceding 68.

## 68 (number)

68 (sixty-eight) is the natural number following 67 and preceding 69.

## 69 (number)

69 (sixty-nine) is a number following 68 and preceding 70.

## 7

7 (seven) is the natural number following 6 and preceding 8.

## 70 (number)

70 (seventy) is the natural number following 69 and preceding 71.

## 70,000

70,000 (seventy thousand) is the natural number that comes after 69,999 and before 70,001.

## 700 (number)

700 (seven hundred) is the natural number following 699 and preceding 701.

## 7000 (number)

7000 (seven thousand) is the natural number following 6999 and preceding 7001.

## 71 (number)

71 (seventy-one) is the natural number following 70 and preceding 72.

## 72 (number)

72 (seventy-two) is the natural number following 71 and preceding 73.

## 720 (number)

720 (seven hundred twenty) is the natural number following 719 and preceding 721.

## 73 (number)

73 (seventy-three) is the natural number following 72 and preceding 74.

## 74 (number)

74 (seventy-four) is the natural number following 73 and preceding 75.

## 75 (number)

75 (seventy-five) is the natural number following 74 and preceding 76.

## 76 (number)

76 (seventy-six) is the natural number following 75 and preceding 77.

## 77 (number)

77 (seventy-seven) is the natural number following 76 and preceding 78.

## 78 (number)

78 (seventy-eight) is the natural number following 77 and followed by 79.

## 786 (number)

786 (seven hundred eighty-six) is the natural number following 785 and preceding 787.

## 79 (number)

Seventy-nine is the natural number following 78 and preceding 80.

## 8

8 (eight) is the natural number following 7 and preceding 9.

## 8-bit

8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.

## 80 (number)

80 (eighty) is the natural number following 79 and preceding 81.

## 80,000

80,000 (eighty thousand) is the natural number that comes after 79,999 and before 80,001.

## 800 (number)

800 (eight hundred) is the natural number following 799 and preceding 801.

## 8000 (number)

8000 (eight thousand) is the natural number following 7999 and preceding 8001.

## 81 (number)

81 (eighty-one) is the natural number following 80 and preceding 82.

## 8128 (number)

8128 is the integer following 8127 and preceding 8129.

## 82 (number)

82 (eighty-two) is the natural number following 81 and preceding 83.

## 83 (number)

83 (eighty-three) is the natural number following 82 and preceding 84.

## 84 (number)

84 (eighty-four) is the natural number following 83 and preceding 85.

## 840 (number)

840 is the natural number following 839 and preceding 841.

## 85 (number)

85 (eighty-five) is the natural number following 84 and preceding 86.

## 86 (number)

86 (eighty-six) is the natural number following 85 and preceding 87.

## 87 (number)

87 (eighty-seven) is the natural number following 86 and preceding 88.

## 88 (number)

88 (eighty-eight) is the natural number following 87 and preceding 89.

## 89 (number)

89 (eighty-nine) is the natural number following 88 and preceding 90.

## 9

9 (nine) is the natural number following and preceding.

## 9,223,372,036,854,775,807

The number 9,223,372,036,854,775,807 is the integer equal to 2 − 1.

## 90 (number)

90 (ninety) is the natural number preceded by 89 and followed by 91.

## 90,000

90,000 (ninety thousand) is the natural number following 89,999 and preceding 90,001.

## 900 (number)

900 (nine hundred) is the natural number following 899 and preceding 901.

## 9000 (number)

9000 (nine thousand) is the natural number following 8999 and preceding 9001.

## 91 (number)

91 (ninety-one) is the natural number following 90 and preceding 92.

## 92 (number)

92 (ninety-two) is the natural number following 91 and preceding 93.

## 93 (number)

93 (ninety-three) is the natural number following 92 and preceding 94.

## 94 (number)

94 (ninety-four) is the natural number following 93 and preceding 95.

## 95 (number)

95 (ninety-five) is the natural number following 94 and preceding 96.

## 96 (number)

96 (ninety-six) is the natural number following 95 and preceding 97.

## 97 (number)

97 (ninety-seven) is the natural number following 96 and preceding 98.

## 98 (number)

98 (ninety-eight) is the natural number following 97 and preceding 99.

## 99 (number)

99 (ninety-nine) is the natural number following 98 and preceding 100.

## References

Hey! We are on Facebook now! »