79 relations: Aeon, Age of the universe, Alternating factorial, Apple Inc., Atlas Obscura, Australopithecus, Bell number, Binary number, Boeing 747-400, British English, Carol number, Centered hexagonal number, Colossally abundant number, Cretaceous, Crore, Cubic inch, Cubic metre, Decimal, Dinosaur, Earth, Eukaryote, European Commission, European Space Agency, Facebook, Factorial, Fermat number, Fibonacci number, Galaxy, Giga-, Google Ngram Viewer, Hexadecimal, Indian numbering system, Investopedia, IPhone, Kilometre, Kynea number, Long and short scales, Magic number (programming), Mersenne prime, Metre, Metric prefix, Middle Paleolithic, Millimetre, Moon, Motzkin number, Multicellular organism, Natural number, NBCNews.com, Orders of magnitude (length), OxfordDictionaries.com, ..., Pandigital number, Pell number, Perfect number, Perfect totient number, PlayStation, Primary pseudoperfect number, Prime number, Repdigit, Roman Empire, Rubik's Cube, Savanna, Scientific notation, Self-descriptive number, Square number, Stone Age, Stone Mountain, Sun, Superior highly composite number, The Economist, The Wall Street Journal, Triangular number, Universe, Unix time, Wedderburn–Etherington number, Wolfram Alpha, World population, Year, 2,147,483,647, 4,294,967,295. Expand index (29 more) » « Shrink index
The word aeon, also spelled eon (in American English) and æon, originally meant "life", "vital force" or "being", "generation" or "a period of time", though it tended to be translated as "age" in the sense of "ages", "forever", "timeless" or "for eternity".
In physical cosmology, the age of the universe is the time elapsed since the Big Bang.
In mathematics, an alternating factorial is the absolute value of the alternating sum of the first n factorials of positive integers.
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
Atlas Obscura is an online magazine and digital media company led by American journalist David Plotz.
Australopithecus (informal australopithecine or australopith, although the term australopithecine has a broader meaning as a member of the subtribe Australopithecina which includes this genus as well as Paranthropus, Kenyanthropus, Ardipithecus, and Praeanthropus) is an extinct genus of hominins.
In combinatorial mathematics, the Bell numbers count the possible partitions of a set.
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).
The Boeing 747-400 is an American wide-body jet airliner developed by Boeing Commercial Airplanes.
British English is the standard dialect of English language as spoken and written in the United Kingdom.
A Carol number is an integer of the form 4^n - 2^ - 1.
A centered hexagonal number, or hex number, is a centered figurate number that represents a hexagon with a dot in the center and all other dots surrounding the center dot in a hexagonal lattice.
In mathematics, a colossally abundant number (sometimes abbreviated as CA) is a natural number that, in a particular, rigorous sense, has many divisors.
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.
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).
The cubic inch (symbol in3) is a unit of measurement for volume in the Imperial units and United States customary units systems.
The cubic metre (in British English and international spelling as used by the International Bureau of Weights and Measures) or cubic meter (in American English) is the SI derived unit of volume.
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.
Dinosaurs are a diverse group of reptiles of the clade Dinosauria.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).
The European Commission (EC) is an institution of the European Union, responsible for proposing legislation, implementing decisions, upholding the EU treaties and managing the day-to-day business of the EU.
The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.
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.
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 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.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
Giga is a unit prefix in the metric system denoting a factor of a (short-form) billion (109 or 000).
The Google Ngram Viewer or Google Books Ngram Viewer is an online search engine that charts the frequencies of any set of comma-delimited search strings using a yearly count of n-grams found in sources printed between 1500 and 2008 in Google's text corpora in English, Chinese (simplified), French, German, Hebrew, Italian, Russian, or Spanish.
In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.
The Indian numbering system is used in the Indian subcontinent (Bangladesh, Burma, India, Nepal, Maldives, Pakistan and Sri Lanka).
Investopedia is a privately owned website based in New York City that focuses on investing education and financial news.
iPhone is a line of smartphones designed and marketed by Apple Inc. The iPhone line of products use Apple's iOS mobile operating system software.
The kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; or) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo- being the SI prefix for). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the road network of the United Kingdom where the statute mile is the official unit used.
A Kynea number is an integer of the form An equivalent formula is This indicates that a Kynea number is the nth power of 4 plus the (n + 1)th Mersenne number.
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.
In computer programming, the term magic number has multiple meanings.
In mathematics, a Mersenne prime is a prime number that is one less than a power of two.
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).
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or fraction of the unit.
The Middle Paleolithic (or Middle Palaeolithic) is the second subdivision of the Paleolithic or Old Stone Age as it is understood in Europe, Africa and Asia.
The millimetre (International spelling as used by the International Bureau of Weights and Measures; SI unit symbol mm) or millimeter (American spelling) is a unit of length in the metric system, equal to one thousandth of a metre, which is the SI base unit of length.
The Moon is an astronomical body that orbits planet Earth and is Earth's only permanent natural satellite.
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).
Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms.
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").
NBCNews.com, formerly known as msnbc.com, is a news website owned and operated by NBCUniversal as the online arm of NBC News.
The following are examples of orders of magnitude for different lengths.
OxfordDictionaries.com, originally titled Oxford Dictionaries Online (ODO) and rebranded Oxford Living Dictionaries in 2017, is an online dictionary produced by the Oxford University Press (OUP) publishing house, a department of the University of Oxford, which also publishes a number of print dictionaries, among other works.
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.
In mathematics, the Pell numbers are an infinite sequence of integers, known since ancient times, that comprise the denominators of the closest rational approximations to the square root of 2.
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).
In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients.
is a gaming brand that consists of four home video game consoles, as well as a media center, an online service, a line of controllers, two handhelds and a phone, as well as multiple magazines.
In mathematics, and particularly in number theory, N is a primary pseudoperfect number if it satisfies the Egyptian fraction equation where the sum is over only the prime divisors of N.
A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
In recreational mathematics, a repdigit or sometimes monodigit is a natural number composed of repeated instances of the same digit in a positional number system (often implicitly decimal).
The Roman Empire (Imperium Rōmānum,; Koine and Medieval Greek: Βασιλεία τῶν Ῥωμαίων, tr.) was the post-Roman Republic period of the ancient Roman civilization, characterized by government headed by emperors and large territorial holdings around the Mediterranean Sea in Europe, Africa and Asia.
Rubik's Cube is a 3-D combination puzzle invented in 1974 by Hungarian sculptor and professor of architecture Ernő Rubik.
A savanna or savannah is a mixed woodland grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
Scientific notation (also referred to as scientific form or standard index form, or standard form in the UK) is a way of expressing numbers that are too big or too small to be conveniently written in decimal form.
In mathematics, a self-descriptive number is an integer m that in a given base b is b digits long in which each digit d at position n (the most significant digit being at position 0 and the least significant at position b - 1) counts how many instances of digit n are in m.
In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself.
The Stone Age was a broad prehistoric period during which stone was widely used to make implements with an edge, a point, or a percussion surface.
Stone Mountain is a quartz monzonite dome monadnock and the site of Stone Mountain Park near Stone Mountain, Georgia.
The Sun is the star at the center of the Solar System.
In mathematics, a superior highly composite number is a natural number which has more divisors than any other number scaled relative to some positive power of the number itself.
The Economist is an English-language weekly magazine-format newspaper owned by the Economist Group and edited at offices in London.
The Wall Street Journal is a U.S. business-focused, English-language international daily newspaper based in New York City.
A triangular number or triangle number counts objects arranged in an equilateral triangle, as in the diagram on the right.
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
Unix time (also known as POSIX time or UNIX Epoch time) is a system for describing a point in time, defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970,.
The Wedderburn–Etherington numbers are an integer sequence named for Ivor Malcolm Haddon Etherington.
Wolfram Alpha (also styled WolframAlpha, and Wolfram|Alpha) is a computational knowledge engine or answer engine developed by Wolfram Alpha LLC, a subsidiary of Wolfram Research.
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.
A year is the orbital period of the Earth moving in its orbit around the Sun.
The number 2,147,483,647 is the eighth Mersenne prime, equal to 231 − 1.
The number 4,294,967,295 is an integer equal to 2 − 1.
1 E9, 1,000,000,000 (number), 1000 million, 1000000000, 1000000000 (number), 10E9, 10^9, 10⁹, 1e9, 3,000,000,000, 5,000,000,000, 7,000,000,000, American billion, Billion (short scale), Milliard, One thousand million, Thousand million.