Faster access than browser!
89 relations: A Mathematician's Apology, Almost integer, Altitude, Anomalous cancellation, Anthropic principle, April Fools' Day, Archimedes, Binary prefix, Birthday problem, Catalan's conjecture, Cent (music), Charles Hermite, Circle of fifths, Continued fraction, Countable set, Decibel, Diesis, Dimensionless quantity, Douglas Adams, E (mathematical constant), Electric power, Engineering, Equal temperament, Euler's totient function, Exceptional isomorphism, Experimental mathematics, Factorial, Factorion, Fibonacci number, Fine-structure constant, Fraction (mathematics), Friedman number, G. H. Hardy, Golden ratio, Gravitational acceleration, Half-power point, Heegner number, Integer, International System of Units, Johann Kirnberger, Just intonation, Kibibyte, Kilobyte, Koide formula, Lambert W function, Latitude, Light-year, Limit (music), Lucas number, Mathematical beauty, ..., Matt Parker, Milü, Music, Narcissistic number, Newton (unit), Newton's laws of motion, Noam Elkies, Normal number, Number of the Beast, Octave, Perfect digit-to-digit invariant, Perfect fifth, Perfect number, Probable prime, Pythagorean tuning, Quarter-comma meantone, Rational number, Real number, Riemann zeta function, Round number, Rydberg constant, Schisma, Semiprime, Semitone, Shutter speed, Significant figures, Six nines in pi, Slide rule, Speed of light, Srinivasa Ramanujan, Statistical Science, Strong Law of Small Numbers, The Hitchhiker's Guide to the Galaxy (novel), Theta function, William H. Press, Wired (magazine), Zu Chongzhi, 1000 (number), 42 (number). Expand index (39 more) »
A Mathematician's Apology
A Mathematician's Apology is a 1940 essay by British mathematician G. H. Hardy.
New!!: Mathematical coincidence and A Mathematician's Apology · See more »
Almost integer
In recreational mathematics, an almost integer (or near-integer) is any number that is not an integer but is very close to one.
New!!: Mathematical coincidence and Almost integer · See more »
Altitude
Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more).
New!!: Mathematical coincidence and Altitude · See more »
Anomalous cancellation
An anomalous cancellation or accidental cancellation is a particular kind of arithmetic procedural error that gives a numerically correct answer.
New!!: Mathematical coincidence and Anomalous cancellation · See more »
Anthropic principle
The anthropic principle is a philosophical consideration that observations of the universe must be compatible with the conscious and sapient life that observes it.
New!!: Mathematical coincidence and Anthropic principle · See more »
April Fools' Day
April Fools' Day is an annual celebration in some European and Western countries commemorated on April 1 by playing practical jokes and spreading hoaxes.
New!!: Mathematical coincidence and April Fools' Day · See more »
Archimedes
Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.
New!!: Mathematical coincidence and Archimedes · See more »
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.
New!!: Mathematical coincidence and Binary prefix · See more »
Birthday problem
In probability theory, the birthday problem or birthday paradox concerns the probability that, in a set of randomly chosen people, some pair of them will have the same birthday.
New!!: Mathematical coincidence and Birthday problem · See more »
Catalan's conjecture
Catalan's conjecture (or Mihăilescu's theorem) is a theorem in number theory that was conjectured by the mathematician Eugène Charles Catalan in 1844 and proven in 2002 by Preda Mihăilescu.
New!!: Mathematical coincidence and Catalan's conjecture · See more »
Cent (music)
The cent is a logarithmic unit of measure used for musical intervals.
New!!: Mathematical coincidence and Cent (music) · See more »
Charles Hermite
Prof Charles Hermite FRS FRSE MIAS (24 December 1822 – 14 January 1901) was a French mathematician who did research concerning number theory, quadratic forms, invariant theory, orthogonal polynomials, elliptic functions, and algebra.
New!!: Mathematical coincidence and Charles Hermite · See more »
Circle of fifths
In music theory, the circle of fifths (or circle of fourths) is the relationship among the 12 tones of the chromatic scale, their corresponding key signatures, and the associated major and minor keys.
New!!: Mathematical coincidence and Circle of fifths · See more »
Continued fraction
In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on.
New!!: Mathematical coincidence and Continued fraction · See more »
Countable set
In mathematics, a countable set is a set with the same cardinality (number of elements) as some subset of the set of natural numbers.
New!!: Mathematical coincidence and Countable set · See more »
Decibel
The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.
New!!: Mathematical coincidence and Decibel · See more »
Diesis
In classical music from Western culture, a diesis ("difference"; Greek: δίεσις "leak" or "escape"Benson, Dave (2006). Music: A Mathematical Offering, p.171.. Based on the technique of playing the aulos, where pitch is raised a small amount by slightly raising the finger on the lowest closed hole, letting a small amount of air "escape".) is either an accidental (see sharp), or a very small musical interval, usually defined as the difference between an octave (in the ratio 2:1) and three justly tuned major thirds (tuned in the ratio 5:4), equal to 128:125 or about 41.06 cents.
New!!: Mathematical coincidence and Diesis · See more »
Dimensionless quantity
In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned.
New!!: Mathematical coincidence and Dimensionless quantity · See more »
Douglas Adams
Douglas Noel Adams (11 March 1952 – 11 May 2001) was an English author, scriptwriter, essayist, humorist, satirist and dramatist.
New!!: Mathematical coincidence and Douglas Adams · See more »
E (mathematical constant)
The number is a mathematical constant, approximately equal to 2.71828, which appears in many different settings throughout mathematics.
New!!: Mathematical coincidence and E (mathematical constant) · See more »
Electric power
Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
New!!: Mathematical coincidence and Electric power · See more »
Engineering
Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations.
New!!: Mathematical coincidence and Engineering · See more »
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.
New!!: Mathematical coincidence and Equal temperament · See more »
Euler's totient function
In number theory, Euler's totient function counts the positive integers up to a given integer that are relatively prime to.
New!!: Mathematical coincidence and Euler's totient function · See more »
Exceptional isomorphism
In mathematics, an exceptional isomorphism, also called an accidental isomorphism, is an isomorphism between members ai and bj of two families, usually infinite, of mathematical objects, that is not an example of a pattern of such isomorphisms.
New!!: Mathematical coincidence and Exceptional isomorphism · See more »
Experimental mathematics
Experimental mathematics is an approach to mathematics in which computation is used to investigate mathematical objects and identify properties and patterns.
New!!: Mathematical coincidence and Experimental mathematics · See more »
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.
New!!: Mathematical coincidence and Factorial · See more »
Factorion
A factorion is a natural number that equals the sum of the factorials of its decimal digits.
New!!: Mathematical coincidence and Factorion · See more »
Fibonacci number
In mathematics, the Fibonacci numbers are the numbers in the following integer sequence, called the Fibonacci sequence, and characterized by the fact that every number after the first two is the sum of the two preceding ones: Often, especially in modern usage, the sequence is extended by one more initial term: By definition, the first two numbers in the Fibonacci sequence are either 1 and 1, or 0 and 1, depending on the chosen starting point of the sequence, and each subsequent number is the sum of the previous two.
New!!: Mathematical coincidence and Fibonacci number · See more »
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.
New!!: Mathematical coincidence and Fine-structure constant · See more »
Fraction (mathematics)
A fraction (from Latin fractus, "broken") represents a part of a whole or, more generally, any number of equal parts.
New!!: Mathematical coincidence and Fraction (mathematics) · See more »
Friedman number
A Friedman number is an integer, which in a given base, is the result of an expression using all its own digits in combination with any of the four basic arithmetic operators (+, −, ×, ÷), additive inverses, parentheses, and exponentiation.
New!!: Mathematical coincidence and Friedman number · See more »
G. H. Hardy
Godfrey Harold Hardy (7 February 1877 – 1 December 1947) was an English mathematician, known for his achievements in number theory and mathematical analysis.
New!!: Mathematical coincidence and G. H. Hardy · See more »
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.
New!!: Mathematical coincidence and Golden ratio · See more »
Gravitational acceleration
In physics, gravitational acceleration is the acceleration on an object caused by the force of gravitation.
New!!: Mathematical coincidence and Gravitational acceleration · See more »
Half-power point
The half-power point or half-power bandwidth is the frequency at which the output power has dropped to half of its peak value; that is, at a level of approximately -3 dB.
New!!: Mathematical coincidence and Half-power point · See more »
Heegner number
In number theory, a Heegner number (as termed by Conway and Guy) is a square-free positive integer d such that the imaginary quadratic field \mathbb has class number 1.
New!!: Mathematical coincidence and Heegner number · See more »
Integer
An integer (from the Latin ''integer'' meaning "whole")Integer 's first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").
New!!: Mathematical coincidence and Integer · See more »
International System of Units
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
New!!: Mathematical coincidence and International System of Units · See more »
Johann Kirnberger
Johann Philipp Kirnberger (also Kernberg; 24 April 1721, Saalfeld – 27 July 1783, Berlin) was a musician, composer (primarily of fugues), and music theorist.
New!!: Mathematical coincidence and Johann Kirnberger · See more »
Just intonation
In music, just intonation (sometimes abbreviated as JI) or pure intonation is any musical tuning in which the frequencies of notes are related by ratios of small whole numbers.
New!!: Mathematical coincidence and Just intonation · See more »
Kibibyte
The kibibyte is a multiple of the unit byte for quantities of digital information.
New!!: Mathematical coincidence and Kibibyte · See more »
Kilobyte
The kilobyte is a multiple of the unit byte for digital information.
New!!: Mathematical coincidence and Kilobyte · See more »
Koide formula
The Koide formula is an unexplained empirical equation discovered by Yoshio Koide in 1981.
New!!: Mathematical coincidence and Koide formula · See more »
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).
New!!: Mathematical coincidence and Lambert W function · See more »
Latitude
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
New!!: Mathematical coincidence and Latitude · See more »
Light-year
The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.
New!!: Mathematical coincidence and Light-year · See more »
Limit (music)
In music theory, limit or harmonic limit is a way of characterizing the harmony found in a piece or genre of music, or the harmonies that can be made using a particular scale.
New!!: Mathematical coincidence and Limit (music) · See more »
Lucas number
The Lucas numbers or Lucas series are an integer sequence named after the mathematician François Édouard Anatole Lucas (1842–91), who studied both that sequence and the closely related Fibonacci numbers.
New!!: Mathematical coincidence and Lucas number · See more »
Mathematical beauty
Mathematical beauty describes the notion that some mathematicians may derive aesthetic pleasure from their work, and from mathematics in general.
New!!: Mathematical coincidence and Mathematical beauty · See more »
Matt Parker
Matthew Parker (born December 22, 1980) is an Australian stand-up comedian, author, YouTube personality and maths communicator.
New!!: Mathematical coincidence and Matt Parker · See more »
Milü
The name Milü ("close ratio"), also known as Zulü (Zu's ratio), is given to an approximation to pi (pi) found by Chinese mathematician and astronomer, Zǔ Chōngzhī (祖沖之).
New!!: Mathematical coincidence and Milü · See more »
Music
Music is an art form and cultural activity whose medium is sound organized in time.
New!!: Mathematical coincidence and Music · See more »
Narcissistic number
In recreational number theory, a narcissistic number by Scott Moore (also known as a pluperfect digital invariant (PPDI), an Armstrong number (after Michael F. Armstrong) or a plus perfect number) is a number that is the sum of its own digits each raised to the power of the number of digits.
New!!: Mathematical coincidence and Narcissistic number · See more »
Newton (unit)
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
New!!: Mathematical coincidence and Newton (unit) · See more »
Newton's laws of motion
Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.
New!!: Mathematical coincidence and Newton's laws of motion · See more »
Noam Elkies
Noam David Elkies (born August 25, 1966) is an American mathematician and professor of mathematics at Harvard University.
New!!: Mathematical coincidence and Noam Elkies · See more »
Normal number
In mathematics, a normal number is a real number whose infinite sequence of digits in every positive integer base b is distributed uniformly in the sense that each of the b digit values has the same natural density 1/b, also all possible b2 pairs of digits are equally likely with density b−2, all b3 triplets of digits equally likely with density b−3, etc.
New!!: Mathematical coincidence and Normal number · See more »
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.
New!!: Mathematical coincidence and Number of the Beast · See more »
Octave
In music, an octave (octavus: eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency.
New!!: Mathematical coincidence and Octave · See more »
Perfect digit-to-digit invariant
A perfect digit-to-digit invariant (PDDI) (also known as a Munchausen number) is a natural number that is equal to the sum of its digits each raised to the power of itself.
New!!: Mathematical coincidence and Perfect digit-to-digit invariant · See more »
Perfect fifth
In music theory, a perfect fifth is the musical interval corresponding to a pair of pitches with a frequency ratio of 3:2, or very nearly so.
New!!: Mathematical coincidence and Perfect fifth · See more »
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).
New!!: Mathematical coincidence and Perfect number · See more »
Probable prime
In number theory, a probable prime (PRP) is an integer that satisfies a specific condition that is satisfied by all prime numbers, but which is not satisfied by most composite numbers.
New!!: Mathematical coincidence and Probable prime · See more »
Pythagorean tuning
Pythagorean tuning is a system of musical tuning in which the frequency ratios of all intervals are based on the ratio 3:2.
New!!: Mathematical coincidence and Pythagorean tuning · See more »
Quarter-comma meantone
Quarter-comma meantone, or -comma meantone, was the most common meantone temperament in the sixteenth and seventeenth centuries, and was sometimes used later.
New!!: Mathematical coincidence and Quarter-comma meantone · See more »
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.
New!!: Mathematical coincidence and Rational number · See more »
Real number
In mathematics, a real number is a value of a continuous quantity that can represent a distance along a line.
New!!: Mathematical coincidence and Real number · See more »
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.
New!!: Mathematical coincidence and Riemann zeta function · See more »
Round number
A round number is mathematically defined as the product of a considerable number of comparatively small factors as compared to its neighbouring numbers, such as 24.
New!!: Mathematical coincidence and Round number · See more »
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.
New!!: Mathematical coincidence and Rydberg constant · See more »
Schisma
In music, the schisma (also spelled skhisma) is the interval between a Pythagorean comma (531441:524288) and a syntonic comma (81:80) and equals 32805:32768, which is 1.9537 cents.
New!!: Mathematical coincidence and Schisma · See more »
Semiprime
In mathematics, a semiprime is a natural number that is the product of two prime numbers.
New!!: Mathematical coincidence and Semiprime · See more »
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.
New!!: Mathematical coincidence and Semitone · See more »
Shutter speed
In photography, shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light, also when a camera's shutter is open when taking a photograph.
New!!: Mathematical coincidence and Shutter speed · See more »
Significant figures
The significant figures (also known as the significant digits) of a number are digits that carry meaning contributing to its measurement resolution.
New!!: Mathematical coincidence and Significant figures · See more »
Six nines in pi
A sequence of six 9s occurs in the decimal representation of π, starting at the 762nd decimal place.
New!!: Mathematical coincidence and Six nines in pi · See more »
Slide rule
The slide rule, also known colloquially in the United States as a slipstick, is a mechanical analog computer.
New!!: Mathematical coincidence and Slide rule · See more »
Speed of light
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
New!!: Mathematical coincidence and Speed of light · See more »
Srinivasa Ramanujan
Srinivasa Ramanujan (22 December 188726 April 1920) was an Indian mathematician who lived during the British Rule in India. Though he had almost no formal training in pure mathematics, he made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions, including solutions to mathematical problems considered to be unsolvable.
New!!: Mathematical coincidence and Srinivasa Ramanujan · See more »
Statistical Science
Statistical Science is a review journal published by the Institute of Mathematical Statistics.
New!!: Mathematical coincidence and Statistical Science · See more »
Strong Law of Small Numbers
In mathematics, the "Strong Law of Small Numbers" is the humorous title of a popular paper by mathematician Richard K. Guy and also the so-called law that proclaims: In other words, any given small number appears in far more contexts than may seem reasonable, leading to many apparently surprising coincidences in mathematics, simply because small numbers appear so often and yet are so few.
New!!: Mathematical coincidence and Strong Law of Small Numbers · See more »
The Hitchhiker's Guide to the Galaxy (novel)
The Hitchhiker's Guide to the Galaxy is the first of five books in the Hitchhiker's Guide to the Galaxy comedy science fiction "trilogy" by Douglas Adams.
New!!: Mathematical coincidence and The Hitchhiker's Guide to the Galaxy (novel) · See more »
Theta function
In mathematics, theta functions are special functions of several complex variables.
New!!: Mathematical coincidence and Theta function · See more »
William H. Press
William Henry Press (born May 23, 1948) is an astrophysicist, theoretical physicist, computer scientist, and computational biologist.
New!!: Mathematical coincidence and William H. Press · See more »
Wired (magazine)
Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.
New!!: Mathematical coincidence and Wired (magazine) · See more »
Zu Chongzhi
Zu Chongzhi (429–500 AD), courtesy name Wenyuan, was a Chinese mathematician, astronomer, writer and politician during the Liu Song and Southern Qi dynasties.
New!!: Mathematical coincidence and Zu Chongzhi · See more »
1000 (number)
1000 or one thousand is the natural number following 999 and preceding 1001.
New!!: Mathematical coincidence and 1000 (number) · See more »
42 (number)
42 (forty-two) is the natural number that succeeds 41 and precedes 43.
New!!: Mathematical coincidence and 42 (number) · See more »
Redirects here:
Coincidence in mathematics, List of mathematical coincidences, Mathematical coincidences.
References
[1] https://en.wikipedia.org/wiki/Mathematical_coincidence
