407 relations: Ackermann function, Advanced Encryption Standard, Africa, Alexander's Star, Andrei Linde, Andromeda Galaxy, Ant, Archimedes, Archimedes's cattle problem, Armenian Genocide, Armenians, Asaṃkhyeya, Ascension Island, ASCII, Astronomical object, Atlantic slave trade, Atom, Atto-, Avatamsaka Sutra, Avogadro constant, Bach-Werke-Verzeichnis, Bacteria, Base pair, Battle of Stalingrad, Bert Hölldobler, Big Bang, Binary number, Biomass (ecology), Bracketology, Brady Haran, Brahmin, British Library, Buddhism, Bulgaria, Capitalization, Carl Sagan, Cell (biology), Centi-, Central processing unit, Charles Kittel, Checkerboard, Chemical element, Cherokee language, Chess, Chessboard, China, Chinese characters, Christianity, Chromosome, Circle, ..., Cognitive science, Color, Color vision, Compact disc, Computational complexity theory, Contract bridge, Conway chained arrow notation, Cook Islands, Cosmological constant problem, Cosmos, Coulomb's constant, Crore, Cullen number, Data Encryption Standard, Deca-, Deci-, Decimal, Decimal128 floating-point format, Decimal32 floating-point format, Decimal64 floating-point format, Diagonal, Digit (anatomy), Dimensionless quantity, Dirac large numbers hypothesis, Dmitri Shostakovich, DNA, Domino tiling, Double Mersenne number, Double-precision floating-point format, Douglas Adams, E (mathematical constant), E. O. Wilson, Earth, Eddington number, Electromagnetism, Elementary charge, Elementary particle, English alphabet, English language, English phonology, English-language Scrabble, Eternal inflation, Ethnologue, Eurostat, Exa-, Exponentiation, Extended precision, Facebook, Factorial, Factorial prime, Fast-growing hierarchy, Femto-, Fermat number, Fine-structure constant, Finnish language, Fish, Foot, Force, Four Noble Truths, Freedb, Friedman's SSCG function, Galactic Empire (Isaac Asimov), Game complexity, Gene, Genome, Geographic Names Information System, Geographical feature, GEOnet Names Server, George Armitage Miller, Gibibyte, GIF, Giga-, Go (game), Go and mathematics, Gold, Goldbach's conjecture, Golden ratio, Google, Googol, Googolplex, Graham's number, Graph theory, Gravitational constant, Gravity, Green, Ground state, Guide Star Catalog, Hair, Haiti, Hamlet, Hand, Heat death of the universe, Hecto-, Hell, Herbert Kroemer, Hexadecimal, Hindu, History of India, Homo sapiens, HTML, Human, Human body, Human brain, Human eye, Human microbiota, Human mouth, Hundred (county division), Hundredth, Hyperinflation in Zimbabwe, IEEE 754, India, Indo-European languages, Inferno (Dante), Infinite monkey theorem, Inflected preposition, Infrared, Insect, Integer (computer science), IP address, IPv4, IPv6, Isaac Asimov, Islam, Ivan Moscovich, James Joyce, Jews, Johann Sebastian Bach, Jorge Luis Borges, Joseph Haydn, Judaism, Köchel catalogue, Keno, Key space (cryptography), Kilo-, King James Version, Knuth's up-arrow notation, Kruskal's tree theorem, Lakh, Language, Large numbers, Largest known prime number, Latvia, Least common multiple, Legend, Lenstra elliptic-curve factorization, Leo Tolstoy, Letter (alphabet), Leyland number, Library of Congress, Light-year, List of galaxies, List of minor The Hitchhiker's Guide to the Galaxy characters, List of numbers, List of poker hands, Local Group, Long and short scales, Ludwig van Beethoven, Luminosity function, MAC address, Macroscopic scale, Magic square, Mahabharata, Mathematical constant, Mathematical game, Mega-, Megaminx, Memory, Mersenne prime, Micro-, Milky Way, Milli-, Millionth, Mole (unit), Monkey, Monowi, Nebraska, Monster group, Motzkin number, Myriad, Names of large numbers, Names of small numbers, Nanking Massacre, Nano-, Nassau (Cook Islands), National Lottery (United Kingdom), National Museum of Natural History, Natural logarithm, NCAA Division I Men's Basketball Tournament, Nebraska, Netcraft, Neuron, Noble Eightfold Path, Number, Observable universe, On-Line Encyclopedia of Integer Sequences, Order (group theory), Orders of magnitude (numbers), Oxford Dictionary of English, Page (paper), Paleodemography, Palindromic prime, Partition of a set, Password, Password strength, Paul Zimmermann (mathematician), Perfect number, Pesnopoy, Peta-, Philippines, Phrases from The Hitchhiker's Guide to the Galaxy, Phys.org, Physical address, Physical constant, Pi, Piano, Pico-, Planck length, Planck time, Planck units, Playing card, Pocket Cube, Poker, Population Reference Bureau, Power of 10, Power of two, Powerball, Powerball (Australia), Preludes (Chopin), Prime number, Prime Pages, Primorial prime, Probability, Professor's Cube, Proth number, Proton, Punctuation, Pyraminx, Quadruple-precision floating-point format, Quantum field theory, Quantum fluctuation, Quantum tunnelling, Ramsey theory, Received Pronunciation, Rhombic triacontahedron, Richard Schroeppel, Riemann zeta function, Riga, Robert Anton Wilson, Robert Shea, Robertson–Seymour theorem, Roman legion, Rubik's Cube, Rubik's Revenge, Saint Vincent and the Grenadines, Sand, Sanskrit, Semiprime, Seth Lloyd, Shannon number, Shloka, Simon Plouffe, Single-precision floating-point format, Skewb, Skewes's number, Smithsonian Institution, Snake eyes, Solar System, Sophie Germain prime, Species, Spectral sensitivity, Square, Square root of 2, Stadion (unit), Standard 52-card deck, Stanley Skewes, Star, Steinhaus–Moser notation, Stellation, String quartet, Sudoku, Suit (cards), Synapse, Taa language, Tanakh, Tax, Taxicab number, Telescope, Ten Commandments, Tera-, Texas hold 'em, The Gutenberg Galaxy, The Holocaust, The Illuminatus! Trilogy, The Library of Babel, The Magical Number Seven, Plus or Minus Two, The Sand Reckoner, The Well-Tempered Clavier, Tithe, Toe, Tower of Hanoi, Transistor, Tree, Trichromacy, Tuvalu, Twin prime, Two's complement, Ulysses (novel), Unitary perfect number, United Nations, United States, Universally unique identifier, Universe, Upper Paleolithic, V-Cube 6, V-Cube 7, Vacuum, Vatican City, Verb, Virus, War and Peace, Web page, Website, Wheat and chessboard problem, Wikipedia, Windows Phone, Wolfgang Amadeus Mozart, Woodall number, Word, Working memory, World population, World population estimates, World Resources Institute, Xiangqi, Yocto-, Yotta-, Zepto-, Zetta-, 0, 1, 1,000,000, 1,000,000,000, 10, 10,000, 10,000,000, 100 (number), 100,000, 100,000,000, 1000 (number), 2,147,483,647, 23 enigma, 24 Preludes and Fugues (Shostakovich), 24 Preludes, Op. 11 (Scriabin), 4,294,967,295, 65,537, 7, 8, 8-bit, 9,223,372,036,854,775,807. Expand index (357 more) » « Shrink index
In computability theory, the Ackermann function, named after Wilhelm Ackermann, is one of the simplest and earliest-discovered examples of a total computable function that is not primitive recursive.
The Advanced Encryption Standard (AES), also known by its original name Rijndael, is a specification for the encryption of electronic data established by the U.S. National Institute of Standards and Technology (NIST) in 2001.
Africa is the world's second largest and second most-populous continent (behind Asia in both categories).
Alexander's Star is a puzzle similar to the Rubik's Cube, in the shape of a great dodecahedron.
Andrei Dmitriyevich Linde (Андре́й Дми́триевич Ли́нде; born March 2, 1948) is a Russian-American theoretical physicist and the Harald Trap Friis Professor of Physics at Stanford University.
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.
Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera.
Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.
Archimedes's cattle problem (or the problema bovinum or problema Archimedis) is a problem in Diophantine analysis, the study of polynomial equations with integer solutions.
The Armenian Genocide (Հայոց ցեղասպանություն, Hayots tseghaspanutyun), also known as the Armenian Holocaust, was the Ottoman government's systematic extermination of 1.5 million Armenians, mostly citizens within the Ottoman Empire.
Armenians (հայեր, hayer) are an ethnic group native to the Armenian Highlands.
An (Sanskrit: असंख्येय) is a Hindu/Buddhist name for the number 10140 or alternatively for the number 10^ as it is listed in the Avatamsaka Sutra.
Ascension Island is an isolated volcanic island, 7°56' south of the Equator in the South Atlantic Ocean.
ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.
An astronomical object or celestial object is a naturally occurring physical entity, association, or structure that exists in the observable universe.
The Atlantic slave trade or transatlantic slave trade involved the transportation by slave traders of enslaved African people, mainly to the Americas.
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
Atto (symbol a) is a unit prefix in the metric system denoting a factor of 10−18 or.
The (Sanskrit; alternatively, the) is one of the most influential Mahayana sutras of East Asian Buddhism.
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.
The Bach-Werke-Verzeichnis (BWV; Bach-Works-Catalogue) is a catalogue of compositions by Johann Sebastian Bach.
Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.
A base pair (bp) is a unit consisting of two nucleobases bound to each other by hydrogen bonds.
The Battle of Stalingrad (23 August 1942 – 2 February 1943) was the largest confrontation of World War II, in which Germany and its allies fought the Soviet Union for control of the city of Stalingrad (now Volgograd) in Southern Russia.
Bert Hölldobler (born 25 June 1936) is a German sociobiologist and evolutionary biologist who studies evolution and social organization in ants.
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.
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).
Biomass is the mass of living biological organisms in a given area or ecosystem at a given time.
Bracketology is the process of predicting the field of college basketball participants in the NCAA Basketball Tournament, named as such because it is commonly used to fill in tournament brackets for the postseason.
Brady John Haran (born 18 June 1976) is an Australian-born British independent filmmaker and video journalist who is known for his educational videos and documentary films produced for BBC News and his YouTube channels, the most notable being Periodic Videos and Numberphile.
Brahmin (Sanskrit: ब्राह्मण) is a varna (class) in Hinduism specialising as priests, teachers (acharya) and protectors of sacred learning across generations.
The British Library is the national library of the United Kingdom and the largest national library in the world by number of items catalogued.
Buddhism is the world's fourth-largest religion with over 520 million followers, or over 7% of the global population, known as Buddhists.
Bulgaria (България, tr.), officially the Republic of Bulgaria (Република България, tr.), is a country in southeastern Europe.
Capitalisation, or capitalization,see spelling differences is writing a word with its first letter as a capital letter (upper-case letter) and the remaining letters in lower case in writing systems with a case distinction.
Carl Edward Sagan (November 9, 1934 – December 20, 1996) was an American astronomer, cosmologist, astrophysicist, astrobiologist, author, science popularizer, and science communicator in astronomy and other natural sciences.
The cell (from Latin cella, meaning "small room") is the basic structural, functional, and biological unit of all known living organisms.
Centi- (symbol c) is a unit prefix in the metric system denoting a factor of one hundredth.
A central processing unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
Charles Kittel (born July 18, 1916) is an American physicist.
A checkerboard (American English) or chequerboard (British English; see spelling differences) is a board of chequered pattern on which English draughts (checkers) is played.
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
Cherokee (ᏣᎳᎩ ᎦᏬᏂᎯᏍᏗ, Tsalagi Gawonihisdi) is an endangered Iroquoian language and the native language of the Cherokee people.
Chess is a two-player strategy board game played on a chessboard, a checkered gameboard with 64 squares arranged in an 8×8 grid.
A chessboard is the type of checkerboard used in the board game chess, consisting of 64 squares (eight rows and eight columns).
China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.
Chinese characters are logograms primarily used in the writing of Chinese and Japanese.
ChristianityFrom Ancient Greek Χριστός Khristós (Latinized as Christus), translating Hebrew מָשִׁיחַ, Māšîăḥ, meaning "the anointed one", with the Latin suffixes -ian and -itas.
A chromosome (from Ancient Greek: χρωμόσωμα, chromosoma, chroma means colour, soma means body) is a DNA molecule with part or all of the genetic material (genome) of an organism.
A circle is a simple closed shape.
Cognitive science is the interdisciplinary, scientific study of the mind and its processes.
Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.
Color vision is the ability of an organism or machine to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.
Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982.
Computational complexity theory is a branch of the theory of computation in theoretical computer science that focuses on classifying computational problems according to their inherent difficulty, and relating those classes to each other.
Contract bridge, or simply bridge, is a trick-taking card game using a standard 52-card deck.
Conway chained arrow notation, created by mathematician John Horton Conway, is a means of expressing certain extremely large numbers.
The Cook Islands (Cook Islands Māori: Kūki 'Āirani) is a self-governing island country in the South Pacific Ocean in free association with New Zealand.
In cosmology, the cosmological constant problem or vacuum catastrophe is the disagreement between the observed values of vacuum energy density (the small value of the cosmological constant) and theoretical large value of zero-point energy suggested by quantum field theory.
The cosmos is the universe.
Coulomb's constant, the electric force constant, or the electrostatic constant (denoted) is a proportionality constant in electrodynamics equations.
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).
In mathematics, a Cullen number is a natural number of the form n \cdot 2^n + 1 (written C_n).
The Data Encryption Standard (DES) is a symmetric-key algorithm for the encryption of electronic data.
Deca- or deka-, 1995, NIST Special Publication 811 (symbol da) is a decimal unit prefix in the metric system, denoting a factor of ten.
Deci- (symbol d) is a decimal unit prefix in the metric system denoting a factor of one tenth.
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.
In computing, decimal128 is a decimal floating-point computer numbering format that occupies 16 bytes (128 bits) in computer memory.
In computing, decimal32 is a decimal floating-point computer numbering format that occupies 4 bytes (32 bits) in computer memory.
In computing, decimal64 is a decimal floating-point computer numbering format that occupies 8 bytes (64 bits) in computer memory.
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.
A digit is one of several most distal parts of a limb, such as fingers or toes, present in many vertebrates.
In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned.
The Dirac large numbers hypothesis (LNH) is an observation made by Paul Dirac in 1937 relating ratios of size scales in the Universe to that of force scales.
Dmitri Dmitriyevich Shostakovich (Дми́трий Дми́триевич Шостако́вич|Dmitriy Dmitrievich Shostakovich,; 9 August 1975) was a Russian composer and pianist.
Deoxyribonucleic acid (DNA) is a thread-like chain of nucleotides carrying the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
In geometry, a domino tiling of a region in the Euclidean plane is a tessellation of the region by dominos, shapes formed by the union of two unit squares meeting edge-to-edge.
In mathematics, a double Mersenne number is a Mersenne number of the form where p is a prime exponent.
Double-precision floating-point format is a computer number format, usually occupying 64 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point.
Douglas Noel Adams (11 March 1952 – 11 May 2001) was an English author, scriptwriter, essayist, humorist, satirist and dramatist.
The number is a mathematical constant, approximately equal to 2.71828, which appears in many different settings throughout mathematics.
Edward Osborne Wilson (born June 10, 1929), usually cited as E. O. Wilson, is an American biologist, researcher, theorist, naturalist and author.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
In astrophysics, the Eddington number, NEdd, is the number of protons in the observable universe.
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.
The elementary charge, usually denoted as or sometimes, is the electric charge carried by a single proton, or equivalently, the magnitude of the electric charge carried by a single electron, which has charge.
In particle physics, an elementary particle or fundamental particle is a particle with no substructure, thus not composed of other particles.
The modern English alphabet is a Latin alphabet consisting of 26 letters, each having an uppercase and a lowercase form: The same letters constitute the ISO basic Latin alphabet.
English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca.
Like many other languages, English has wide variation in pronunciation, both historically and from dialect to dialect.
English-language Scrabble is the original version of the popular word-based board game invented in 1938 by US architect Alfred Mosher Butts who based the game on the letter distribution in The New York Times in English.
Eternal inflation is a hypothetical inflationary universe model, which is itself an outgrowth or extension of the Big Bang theory.
Ethnologue: Languages of the World is an annual reference publication in print and online that provides statistics and other information on the living languages of the world.
Eurostat is a Directorate-General of the European Commission located in Luxembourg.
Exa is a decimal unit prefix in the metric system denoting 1018 or.
Exponentiation is a mathematical operation, written as, involving two numbers, the base and the exponent.
Extended precision refers to floating point number formats that provide greater precision than the basic floating point formats.
Facebook is an American online social media and social networking service company based in Menlo Park, California.
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.
A factorial prime is a prime number that is one less or one more than a factorial (all factorials > 1 are even).
In computability theory, computational complexity theory and proof theory, a fast-growing hierarchy (also called an extended Grzegorczyk hierarchy) is an ordinal-indexed family of rapidly increasing functions fα: N → N (where N is the set of natural numbers, and α ranges up to some large countable ordinal).
Femto- (symbol f) is a unit prefix in the metric system denoting a factor of 10−15 or.
In mathematics a Fermat number, named after Pierre de Fermat who first studied them, is a positive integer of the form where n is a nonnegative integer.
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.
Finnish (or suomen kieli) is a Finnic language spoken by the majority of the population in Finland and by ethnic Finns outside Finland.
Fish are gill-bearing aquatic craniate animals that lack limbs with digits.
The foot (plural feet) is an anatomical structure found in many vertebrates.
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
The Four Noble Truths refer to and express the basic orientation of Buddhism in a short expression: we crave and cling to impermanent states and things, which are dukkha, "incapable of satisfying" and painful.
freedb is a database of compact disc track listings, where all the content is under the GNU General Public License.
In mathematics, a simple subcubic graph is a finite simple graph in which each vertex has degree at most three.
In Isaac Asimov's Robot/Empire/''Foundation'' series of novels, the Galactic Empire is an empire consisting of millions of planets settled by humans across the whole Milky Way Galaxy.
Combinatorial game theory has several ways of measuring game complexity.
In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.
In the fields of molecular biology and genetics, a genome is the genetic material of an organism.
The Geographic Names Information System (GNIS) is a database that contains name and locative information about more than two million physical and cultural features located throughout the United States of America and its territories.
Geographical features are man-made or naturally-created features of the Earth.
The GEOnet Names Server (GNS) provides access to the National Geospatial-Intelligence Agency's (NGA) and the U.S. Board on Geographic Names's (BGN) database of geographic feature names and locations for locations outside the United States.
George Armitage Miller (February 3, 1920 – July 22, 2012) was an American psychologist who was one of the founders of the cognitive psychology field.
The gibibyte is a multiple of the unit byte for digital information.
The Graphics Interchange Format, better known by its acronym GIF, is a bitmap image format that was developed by a team at the bulletin board service (BBS) provider CompuServe led by American computer scientist Steve Wilhite on June 15, 1987.
Giga is a unit prefix in the metric system denoting a factor of a (short-form) billion (109 or 000).
Go is an abstract strategy board game for two players, in which the aim is to surround more territory than the opponent.
The game of Go is one of the most popular games in the world.
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
Goldbach's conjecture is one of the oldest and best-known unsolved problems in number theory and all of mathematics.
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.
Google LLC is an American multinational technology company that specializes in Internet-related services and products, which include online advertising technologies, search engine, cloud computing, software, and hardware.
A googol is the large number 10100.
A googolplex is the number 10, or equivalently, 10.
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.
In mathematics, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects.
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.
Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.
Green is the color between blue and yellow on the visible spectrum.
The ground state of a quantum mechanical system is its lowest-energy state; the energy of the ground state is known as the zero-point energy of the system.
The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space Telescope with targeting off-axis stars.
Hair is a protein filament that grows from follicles found in the dermis.
Haiti (Haïti; Ayiti), officially the Republic of Haiti and formerly called Hayti, is a sovereign state located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean Sea.
The Tragedy of Hamlet, Prince of Denmark, often shortened to Hamlet, is a tragedy written by William Shakespeare at an uncertain date between 1599 and 1602.
A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs.
The heat death of the universe is a plausible ultimate fate of the universe in which the universe has diminished to a state of no thermodynamic free energy and therefore can no longer sustain processes that increase entropy.
Hecto- (symbol: h) is a decimal unit prefix in the metric system denoting a factor of one hundred.
Hell, in many religious and folkloric traditions, is a place of torment and punishment in the afterlife.
Herbert Kroemer (born August 25, 1928), a professor of electrical and computer engineering at the University of California, Santa Barbara, received his Ph.D. in theoretical physics in 1952 from the University of Göttingen, Germany, with a dissertation on hot electron effects in the then-new transistor, setting the stage for a career in research on the physics of semiconductor devices.
In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.
Hindu refers to any person who regards themselves as culturally, ethnically, or religiously adhering to aspects of Hinduism.
The history of India includes the prehistoric settlements and societies in the Indian subcontinent; the advancement of civilisation from the Indus Valley Civilisation to the eventual blending of the Indo-Aryan culture to form the Vedic Civilisation; the rise of Hinduism, Jainism and Buddhism;Sanderson, Alexis (2009), "The Śaiva Age: The Rise and Dominance of Śaivism during the Early Medieval Period." In: Genesis and Development of Tantrism, edited by Shingo Einoo, Tokyo: Institute of Oriental Culture, University of Tokyo, 2009.
Homo sapiens is the systematic name used in taxonomy (also known as binomial nomenclature) for the only extant human species.
Hypertext Markup Language (HTML) is the standard markup language for creating web pages and web applications.
Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.
The human body is the entire structure of a human being.
The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system.
The human eye is an organ which reacts to light and pressure.
The human microbiota is the aggregate of microorganisms that resides on or within any of a number of human tissues and biofluids, including the skin, mammary glands, placenta, seminal fluid, uterus, ovarian follicles, lung, saliva, oral mucosa, conjunctiva, biliary and gastrointestinal tracts.
In human anatomy, the mouth is the first portion of the alimentary canal that receives food and produces saliva.
A hundred is an administrative division that is geographically part of a larger region.
In arithmetic, a hundredth is a single part of something that has been divided equally into a hundred parts.
Hyperinflation in Zimbabwe was a period of currency instability that began in the late 1990s shortly after the confiscation of private farms from landowners, towards the end of Zimbabwean involvement in the Second Congo War.
The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation established in 1985 by the Institute of Electrical and Electronics Engineers (IEEE).
India (IAST), also called the Republic of India (IAST), is a country in South Asia.
The Indo-European languages are a language family of several hundred related languages and dialects.
Inferno (Italian for "Hell") is the first part of Dante Alighieri's 14th-century epic poem Divine Comedy.
The infinite monkey theorem states that a monkey hitting keys at random on a typewriter keyboard for an infinite amount of time will almost surely type a given text, such as the complete works of William Shakespeare.
In linguistics, an inflected preposition is a type of word that occurs in some languages, that corresponds to the combination of a preposition and a personal pronoun.
Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.
Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.
In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.
An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
Internet Protocol version 4 (IPv4) is the fourth version of the Internet Protocol (IP).
Internet Protocol version 6 (IPv6) is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
Isaac Asimov (January 2, 1920 – April 6, 1992) was an American writer and professor of biochemistry at Boston University.
IslamThere are ten pronunciations of Islam in English, differing in whether the first or second syllable has the stress, whether the s is or, and whether the a is pronounced, or (when the stress is on the first syllable) (Merriam Webster).
Ivan Moscovich is a designer and commercial developer of puzzles, games, toys, and educational aids.
James Augustine Aloysius Joyce (2 February 1882 – 13 January 1941) was an Irish novelist, short story writer, and poet.
Jews (יְהוּדִים ISO 259-3, Israeli pronunciation) or Jewish people are an ethnoreligious group and a nation, originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The people of the Kingdom of Israel and the ethnic and religious group known as the Jewish people that descended from them have been subjected to a number of forced migrations in their history" and Hebrews of the Ancient Near East.
Johann Sebastian Bach (28 July 1750) was a composer and musician of the Baroque period, born in the Duchy of Saxe-Eisenach.
Jorge Francisco Isidoro Luis Borges Acevedo (24 August 1899 – 14 June 1986) was an Argentine short-story writer, essayist, poet and translator, and a key figure in Spanish-language literature.
(Franz) Joseph HaydnSee Haydn's name.
Judaism (originally from Hebrew, Yehudah, "Judah"; via Latin and Greek) is the religion of the Jewish people.
The Köchel-Verzeichnis or Köchelverzeichnis is a chronological catalogue of compositions by Wolfgang Amadeus Mozart, originally created by Ludwig von Köchel, in which the entries are abbreviated K. and KV.
Keno is a lottery-like gambling game often played at modern casinos, and also offered as a game in some lotteries.
In cryptography, an algorithm's key space refers to the set of all possible permutations of a key.
Kilo is a decimal unit prefix in the metric system denoting multiplication by one thousand (103).
The King James Version (KJV), also known as the King James Bible (KJB) or simply the Version (AV), is an English translation of the Christian Bible for the Church of England, begun in 1604 and completed in 1611.
In mathematics, Knuth's up-arrow notation is a method of notation for very large integers, introduced by Donald Knuth in 1976.
In mathematics, Kruskal's tree theorem states that the set of finite trees over a well-quasi-ordered set of labels is itself well-quasi-ordered under homeomorphic embedding.
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).
Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
Large numbers are numbers that are significantly larger than those ordinarily used in everyday life, for instance in simple counting or in monetary transactions.
The largest known prime number is 277,232,917 − 1, a number with 23,249,425 digits.
Latvia (or; Latvija), officially the Republic of Latvia (Latvijas Republika), is a sovereign state in the Baltic region of Northern Europe.
In arithmetic and number theory, the least common multiple, lowest common multiple, or smallest common multiple of two integers a and b, usually denoted by LCM(a, b), is the smallest positive integer that is divisible by both a and b. Since division of integers by zero is undefined, this definition has meaning only if a and b are both different from zero.
Legend is a genre of folklore that consists of a narrative featuring human actions perceived or believed both by teller and listeners to have taken place within human history.
The Lenstra elliptic-curve factorization or the elliptic-curve factorization method (ECM) is a fast, sub-exponential running time, algorithm for integer factorization, which employs elliptic curves.
Count Lyov (also Lev) Nikolayevich Tolstoy (also Лев) Николаевич ТолстойIn Tolstoy's day, his name was written Левъ Николаевичъ Толстой.
A letter is a grapheme (written character) in an alphabetic system of writing.
In number theory, a Leyland number is a number of the form where x and y are integers greater than 1.
The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the de facto national library of the United States.
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.
The following is a list of notable galaxies.
The following is an alphabetical list of the minor characters in the various versions of The Hitchhiker's Guide to the Galaxy, by Douglas Adams.
This is a list of articles about numbers (not about numerals).
In poker, players construct sets of five playing cards, called hands, according to the rules of the game being played.
The Local Group is the galaxy group that includes the Milky Way.
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.
Ludwig van Beethoven (baptised 17 December 1770Beethoven was baptised on 17 December. His date of birth was often given as 16 December and his family and associates celebrated his birthday on that date, and most scholars accept that he was born on 16 December; however there is no documentary record of his birth.26 March 1827) was a German composer and pianist.
A luminosity function or luminous efficiency function describes the average spectral sensitivity of human visual perception of brightness.
A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.
The macroscopic scale is the length scale on which objects or phenomena are large enough to be visible almost practically with the naked eye, without magnifying optical instruments.
In recreational mathematics and combinatorial design, a magic square is a n\times n square grid (where is the number of cells on each side) filled with distinct positive integers in the range 1,2,...,n^2 such that each cell contains a different integer and the sum of the integers in each row, column and diagonal is equal.
The Mahābhārata (महाभारतम्) is one of the two major Sanskrit epics of ancient India, the other being the Rāmāyaṇa.
A mathematical constant is a special number that is "significantly interesting in some way".
A mathematical game is a game whose rules, strategies, and outcomes are defined by clear mathematical parameters.
Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 000).
The Megaminx is a dodecahedron-shaped puzzle similar to the Rubik's Cube.
Memory is the faculty of the mind by which information is encoded, stored, and retrieved.
In mathematics, a Mersenne prime is a prime number that is one less than a power of two.
Micro- (symbol µ) is a unit prefix in the metric system denoting a factor of 10−6 (one millionth).
The Milky Way is the galaxy that contains our Solar System.
Milli- (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10−3).
One millionth is equal to 0.000 001, or 1 x 10−6 in scientific notation.
The mole, symbol mol, is the SI unit of amount of substance.
Monkeys are non-hominoid simians, generally possessing tails and consisting of about 260 known living species.
Monowi is an incorporated village in Boyd County, Nebraska, United States.
In the area of modern algebra known as group theory, the Monster group M (also known as the Fischer–Griess Monster, or the Friendly Giant) is the largest sporadic simple group, having order The finite simple groups have been completely classified.
In mathematics, a Motzkin number for a given number is the number of different ways of drawing non-intersecting chords between points on a circle (not necessarily touching every point by a chord).
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.
This article lists and discusses the usage and derivation of names of large numbers, together with their possible extensions.
This article lists and discusses the usage and derivation of names of small numbers.
The Nanking Massacre was an episode of mass murder and mass rape committed by Japanese troops against the residents of Nanjing (Nanking), then the capital of the Republic of China, during the Second Sino-Japanese War.
Nano- (symbol n) is a unit prefix meaning "one billionth".
Nassau is an island in the Cook Islands.
The National Lottery is the state-franchised national lottery in the United Kingdom.
The National Museum of Natural History is a natural-history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States.
The natural logarithm of a number is its logarithm to the base of the mathematical constant ''e'', where e is an irrational and transcendental number approximately equal to.
The NCAA Division I Men's Basketball Tournament, also informally known and branded as NCAA March Madness, is a single-elimination tournament played each spring in the United States, currently featuring 68 college basketball teams from the Division I level of the National Collegiate Athletic Association (NCAA), to determine the national championship.
Nebraska is a state that lies in both the Great Plains and the Midwestern United States.
Netcraft is an Internet services company based in Bath, England.
A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.
The Noble Eightfold Path (ariyo aṭṭhaṅgiko maggo, āryāṣṭāṅgamārga) is an early summary of the path of Buddhist practices leading to liberation from samsara, the painful cycle of rebirth.
A number is a mathematical object used to count, measure and also label.
The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects has had time to reach Earth since the beginning of the cosmological expansion.
The On-Line Encyclopedia of Integer Sequences (OEIS), also cited simply as Sloane's, is an online database of integer sequences.
In group theory, a branch of mathematics, the term order is used in two unrelated senses.
This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantity and probabilities.
The Oxford Dictionary of English (ODE) is a single-volume English dictionary published by Oxford University Press, first published in 1998 as The New Oxford Dictionary of English (NODE).
A page is one side of a leaf (or sheet) of paper, parchment or other material (or electronic media) in a book, magazine, newspaper, or other collection of sheets, on which text or illustrations can be printed, written or drawn, to create documents.
Paleodemography is the study of human demography in antiquity and prehistory.
A palindromic prime (sometimes called a palprime) is a prime number that is also a palindromic number.
In mathematics, a partition of a set is a grouping of the set's elements into non-empty subsets, in such a way that every element is included in one and only one of the subsets.
A password is a word or string of characters used for user authentication to prove identity or access approval to gain access to a resource (example: an access code is a type of password), which is to be kept secret from those not allowed access.
Password strength is a measure of the effectiveness of a password against guessing or brute-force attacks.
Paul Zimmermann (born November 13, 1964) is a French computational mathematician, working at INRIA.
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).
Pesnopoy (Песнопой) is a village in Ardino Municipality, Kardzhali Province, southern-central Bulgaria.
Peta is a decimal unit prefix in the metric system denoting multiplication by 1015.
The Philippines (Pilipinas or Filipinas), officially the Republic of the Philippines (Republika ng Pilipinas), is a unitary sovereign and archipelagic country in Southeast Asia.
The Hitchhiker's Guide to the Galaxy is a comic science fiction series created by Douglas Adams that has become popular among fans of the genre(s) and members of the scientific community.
Phys.org is a science, research and technology news aggregator where much of the content is republished directly from press releases and news agencies-in a practice known as churnalism.
In computing, a physical address (also real address, or binary address), is a memory address that is represented in the form of a binary number on the address bus circuitry in order to enable the data bus to access a particular storage cell of main memory, or a register of memory mapped I/O device.
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.
The number is a mathematical constant.
The piano is an acoustic, stringed musical instrument invented in Italy by Bartolomeo Cristofori around the year 1700 (the exact year is uncertain), in which the strings are struck by hammers.
Pico- (symbol p) is a unit prefix in the metric system denoting one trillionth, a factor of 10−12.
In physics, the Planck length, denoted, is a unit of length, equal to metres.
In quantum mechanics, the Planck time is the unit of time in the system of natural units known as Planck units.
In particle physics and physical cosmology, Planck units are a set of units of measurement defined exclusively in terms of five universal physical constants, in such a manner that these five physical constants take on the numerical value of 1 when expressed in terms of these units.
A playing card is a piece of specially prepared heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic, marked with distinguishing motifs and used as one of a set for playing card games.
The Pocket Cube (also known as the Mini Cube) is the 2×2×2 equivalent of a Rubik's Cube.
Poker is a family of card games that combines gambling, strategy, and skill.
The Population Reference Bureau (PRB) is a private, nonprofit organization that was founded in 1929 by Guy Burch.
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).
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.
Powerball is an American lottery game offered by 44 states, the District of Columbia, Puerto Rico and the US Virgin Islands.
Powerball is a lottery operated by Tatts Group under the master brand, the Lott and its licensed subsidiaries including New South Wales Lotteries in New South Wales and the Australian Capital Territory, Tattersalls in Victoria and Tasmania, Golden Casket in Queensland, and South Australian Lotteries in South Australia.
Frédéric Chopin wrote a number of preludes for piano solo.
A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
The Prime Pages is a website about prime numbers maintained by Chris Caldwell at the University of Tennessee at Martin.
In mathematics, primorial primes are prime numbers of the form pn# ± 1, where pn# is the primorial of pn (the product of the first n primes).
Probability is the measure of the likelihood that an event will occur.
The Professor's Cube is a combination puzzle, a 5×5×5 version of the Rubik's Cube.
In number theory, a Proth number, named after the mathematician François Proth, is a number of the form where k is an odd positive integer and n is a positive integer such that 2^n > k. Without the latter condition, all odd integers greater than 1 would be Proth numbers.
Punctuation (formerly sometimes called pointing) is the use of spacing, conventional signs, and certain typographical devices as aids to the understanding and correct reading of handwritten and printed text, whether read silently or aloud.
The Pyraminx is a regular tetrahedron puzzle in the style of Rubik's Cube.
In computing, quadruple precision (or quad precision) is a binary floating-point-based computer number format that occupies 16 bytes (128 bits) in with precision more than twice the 53-bit double precision.
In theoretical physics, quantum field theory (QFT) is the theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter physics.
In quantum physics, a quantum fluctuation (or vacuum state fluctuation or vacuum fluctuation) is the temporary change in the amount of energy in a point in space, as explained in Werner Heisenberg's uncertainty principle.
Quantum tunnelling or tunneling (see spelling differences) is the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically cannot surmount.
Ramsey theory, named after the British mathematician and philosopher Frank P. Ramsey, is a branch of mathematics that studies the conditions under which order must appear.
Received Pronunciation (RP) is an accent of Standard English in the United Kingdom and is defined in the Concise Oxford English Dictionary as "the standard accent of English as spoken in the south of England", although it can be heard from native speakers throughout England and Wales.
In geometry, the rhombic triacontahedron, sometimes simply called the triacontahedron as it is the most common thirty-faced polyhedron, is a convex polyhedron with 30 rhombic faces.
Richard C. Schroeppel (born 1948) is an American mathematician born in Illinois.
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.
Riga (Rīga) is the capital and largest city of Latvia.
Robert Anton Wilson (born Robert Edward Wilson; January 18, 1932 – January 11, 2007) was an American author, novelist, essayist, editor, playwright, poet, futurist, and self-described agnostic mystic.
Robert Joseph Shea (February 14, 1933 - March 10, 1994) was an American novelist and former journalist best known as co-author with Robert Anton Wilson of the science fantasy trilogy Illuminatus!.
In graph theory, the Robertson–Seymour theorem (also called the graph minor theorem) states that the undirected graphs, partially ordered by the graph minor relationship, form a well-quasi-ordering.
A Roman legion (from Latin legio "military levy, conscription", from legere "to choose") was a large unit of the Roman army.
Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Ernő Rubik.
The Rubik's Revenge (also known as the Master Cube) is a 4×4×4 version of Rubik's Cube.
Saint Vincent and the Grenadines is a sovereign state in the Lesser Antilles island arc, in the southern portion of the Windward Islands, which lies in the West Indies at the southern end of the eastern border of the Caribbean Sea where the latter meets the Atlantic Ocean.
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
Sanskrit is the primary liturgical language of Hinduism; a philosophical language of Hinduism, Sikhism, Buddhism and Jainism; and a former literary language and lingua franca for the educated of ancient and medieval India.
In mathematics, a semiprime is a natural number that is the product of two prime numbers.
Seth Lloyd (born August 2, 1960) is a professor of mechanical engineering and physics at the Massachusetts Institute of Technology.
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.
Shloka (Sanskrit: श्लोक śloka; meaning "song", from the root śru, "hear"Macdonell, Arthur A., A Sanskrit Grammar for Students, Appendix II, p. 232 (Oxford University Press, 3rd edition, 1927).) is a category of verse line developed from the Vedic Anustubh poetic meter.
Simon Plouffe (born June 11, 1956, Saint-Jovite, Quebec) is a mathematician who discovered the Bailey–Borwein–Plouffe formula (BBP algorithm) which permits the computation of the nth binary digit of π, in 1995.
Single-precision floating-point format is a computer number format, usually occupying 32 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point.
The Skewb is a combination puzzle and a mechanical puzzle in the style of Rubik's Cube.
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.
The Smithsonian Institution, established on August 10, 1846 "for the increase and diffusion of knowledge," is a group of museums and research centers administered by the Government of the United States.
In gambling in general and the game of Craps in particular, snake eyes is the outcome of rolling the dice in a game and getting only one pip on each die.
The Solar SystemCapitalization of the name varies.
In number theory, a prime number p is a Sophie Germain prime if 2p + 1 is also prime.
In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.
Spectral sensitivity is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.
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.
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.
The stadion (στάδιον; stadium), formerly also anglicized as stade, was an ancient Greek unit of length, based on the length of a typical sports stadium of the time.
A deck of French playing cards is the most common deck of playing cards used today.
Stanley Skewes (1899–1988) was a South African mathematician, best known for his discovery of the Skewes's number in 1933.
A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.
In mathematics, Steinhaus–Moser notation is a notation for expressing certain extremely large numbers.
In geometry, stellation is the process of extending a polygon in two dimensions, polyhedron in three dimensions, or, in general, a polytope in n dimensions to form a new figure.
A string quartet is a musical ensemble of four string players – two violin players, a viola player and a cellist – or a piece written to be performed by such a group.
(originally called Number Place) is a logic-based, combinatorial number-placement puzzle.
In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target efferent cell.
Taa, also known as ǃXóõ (ǃKhong, ǃXoon – pronounced), is a Tuu language notable for its large number of phonemes, perhaps the largest in the world.
The Tanakh (or; also Tenakh, Tenak, Tanach), also called the Mikra or Hebrew Bible, is the canonical collection of Jewish texts, which is also a textual source for the Christian Old Testament.
A tax (from the Latin taxo) is a mandatory financial charge or some other type of levy imposed upon a taxpayer (an individual or other legal entity) by a governmental organization in order to fund various public expenditures.
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.
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
The Ten Commandments (עֲשֶׂרֶת הַדִּבְּרוֹת, Aseret ha'Dibrot), also known as the Decalogue, are a set of biblical principles relating to ethics and worship, which play a fundamental role in Judaism and Christianity.
Tera is a unit prefix in the metric system denoting multiplication by 1012 or (one trillion short scale; one billion long scale).
Texas hold 'em (also known as Texas holdem, hold 'em, and holdem) is a variation of the card game of poker.
The Gutenberg Galaxy: The Making of Typographic Man is a 1962 book by Marshall McLuhan, in which the author analyzes the effects of mass media, especially the printing press, on European culture and human consciousness.
The Holocaust, also referred to as the Shoah, was a genocide during World War II in which Nazi Germany, aided by its collaborators, systematically murdered approximately 6 million European Jews, around two-thirds of the Jewish population of Europe, between 1941 and 1945.
The Illuminatus! Trilogy is a series of three novels written by Robert Shea and Robert Anton Wilson first published in 1975.
"The Library of Babel" (La biblioteca de Babel) is a short story by Argentine author and librarian Jorge Luis Borges (1899–1986), conceiving of a universe in the form of a vast library containing all possible 410-page books of a certain format and character set.
"The Magical Number Seven, Plus or Minus Two: Some Limits on Our Capacity for Processing Information" is one of the most highly cited papers in psychology.
The Sand Reckoner (Ψαμμίτης, Psammites) is a work by Archimedes in which he set out to determine an upper bound for the number of grains of sand that fit into the universe.
The Well-Tempered Clavier, BWV 846–893, is a collection of two sets of preludes and fugues in all 24 major and minor keys, composed for solo keyboard by Johann Sebastian Bach.
A tithe (from Old English: teogoþa "tenth") is a one-tenth part of something, paid as a contribution to a religious organization or compulsory tax to government.
Toes are the digits of the foot of a tetrapod.
The Tower of Hanoi (also called the Tower of Brahma or Lucas' Tower and sometimes pluralized) is a mathematical game or puzzle.
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
In botany, a tree is a perennial plant with an elongated stem, or trunk, supporting branches and leaves in most species.
Trichromacy or trichromatism is the possessing of three independent channels for conveying color information, derived from the three different types of cone cells in the eye.
Tuvalu, formerly known as the Ellice Islands, is a Polynesian island nation located in the Pacific Ocean, about midway between Hawaii and Australia, lying east-northeast of the Santa Cruz Islands (belonging to the Solomons), southeast of Nauru, south of Kiribati, west of Tokelau, northwest of Samoa and Wallis and Futuna and north of Fiji.
A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (41, 43).
Two's complement is a mathematical operation on binary numbers, best known for its role in computing as a method of signed number representation.
Ulysses is a modernist novel by Irish writer James Joyce.
A unitary perfect number is an integer which is the sum of its positive proper unitary divisors, not including the number itself.
The United Nations (UN) is an intergovernmental organization tasked to promote international cooperation and to create and maintain international order.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
A universally unique identifier (UUID) is a 128-bit number used to identify information in computer systems.
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
The Upper Paleolithic (or Upper Palaeolithic, Late Stone Age) is the third and last subdivision of the Paleolithic or Old Stone Age.
The V-Cube 6 is a 6×6×6 version of Rubik's Cube.
The V-Cube 7 is a combination puzzle in the form of a 7×7×7 cube.
Vacuum is space devoid of matter.
Vatican City (Città del Vaticano; Civitas Vaticana), officially the Vatican City State or the State of Vatican City (Stato della Città del Vaticano; Status Civitatis Vaticanae), is an independent state located within the city of Rome.
A verb, from the Latin verbum meaning word, is a word (part of speech) that in syntax conveys an action (bring, read, walk, run, learn), an occurrence (happen, become), or a state of being (be, exist, stand).
A virus is a small infectious agent that replicates only inside the living cells of other organisms.
War and Peace (pre-reform Russian: Война и миръ; post-reform translit) is a novel by the Russian author Leo Tolstoy.
A web page (also written as webpage) is a document that is suitable for the World Wide Web and web browsers.
A website is a collection of related web pages, including multimedia content, typically identified with a common domain name, and published on at least one web server.
The wheat and chessboard problem (sometimes expressed in terms of rice grains) is a mathematical problem expressed in textual form as: The problem may be solved using simple addition.
Wikipedia is a multilingual, web-based, free encyclopedia that is based on a model of openly editable content.
Windows Phone (WP) is a family of discontinued mobile operating systems developed by Microsoft for smartphones as the replacement successor to Windows Mobile and Zune.
Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart, was a prolific and influential composer of the classical era.
In number theory, a Woodall number (Wn) is any natural number of the form for some natural number n. The first few Woodall numbers are.
In linguistics, a word is the smallest element that can be uttered in isolation with objective or practical meaning.
Working memory is a cognitive system with a limited capacity that is responsible for temporarily holding information available for processing.
In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7.6 billion people as of May 2018.
This article lists estimates of world population, as well as projections of future developments.
The World Resources Institute (WRI) is a global research non-profit organization that was established in 1982 with funding from the John D. and Catherine T. MacArthur Foundation under the leadership of James Gustave Speth.
Xiangqi, also called Chinese chess, is a strategy board game for two players.
Yocto (symbol y) is a unit prefix in the metric system denoting a factor of 10−24 or.
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.
Zepto (unit symbol z) is a unit prefix in the metric system denoting a factor of 10−21 or.
Zetta is a decimal unit prefix in the metric system denoting a factor of 1021 or.
0 (zero) is both a number and the numerical digit used to represent that number in numerals.
1 (one, also called unit, unity, and (multiplicative) identity) is a number, numeral, and glyph.
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 (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 (ten) is an even natural number following 9 and preceding 11.
10,000 (ten thousand) is the natural number following 9,999 and preceding 10,001.
10,000,000 (ten million) is the natural number following 9,999,999 and preceding 10,000,001.
100 or one hundred (Roman numeral: Ⅽ) is the natural number following 99 and preceding 101.
100,000 (one hundred thousand) is the natural number following 99,999 and preceding 100,001.
100,000,000 (one hundred million) is the natural number following 99,999,999 and preceding 100,000,001.
1000 or one thousand is the natural number following 999 and preceding 1001.
The number 2,147,483,647 is the eighth Mersenne prime, equal to 231 − 1.
The 23 enigma is a superstitious belief in the significance of the number 23.
24 Preludes and Fugues, Op.
Alexander Scriabin's 24 Preludes, Op.
The number 4,294,967,295 is an integer equal to 2 − 1.
65537 is the integer after 65536 and before 65538.
7 (seven) is the natural number following 6 and preceding 8.
8 (eight) is the natural number following 7 and preceding 9.
8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.
The number 9,223,372,036,854,775,807 is the integer equal to 2 − 1.
0.1, 1 E-1, 1 E-12, 1 E-15, 1 E-18, 1 E-21, 1 E-24, 1 E-27, 1 E-3, 1 E-9, 1 E10, 1 E11, 1 E12, 1 E13, 1 E15, 1 E18, 1 E21, 1 E24, 1 E27, 1 E5, 1 E7, 1 E8, 1,000,000,000,000, 1,000,000,000,000 (number), 1,000,000,000,000,000, 1,000,000,000,000,000 (number), 10,000,000,000 (number), 100,000,000,000 (number), 10000000000, 10000000000 (number), 100000000000, 100000000000 (number), 1000000000000 (number), 10000000000000 (number), 1000000000000000, 1000000000000000 (number), 10000000000000000 (number), 1000000000000000000 (number), 10^12, 10^13 (number), 10^14 (number), 10^15, 10^16 (number), 10^17 (number), 10^18, 10^18 (number), 10^21, 10^24, 10^27, 10^30, 10^33, 10^36, 10^39, 10^42, 10^45, 10^48, 10^51, 10^54, 10^57, 10^60, 1E11, 1e18, 1e24, 275305224 (number), 4294967296 (number), Illion, List of big numbers, Order of magnitude (numbers), Order of magnitude - dimensionless number, Orders of magnitude (dimensionless numbers), Quadrillionth, Thousandth, Trillion (long scale), Trillion (short scale).