Table of Contents
138 relations: Achilles number, Amicable numbers, Apéry's constant, Apple Filing Protocol, Armenian numerals, Automorphism group, Babylonian cuneiform numerals, Balanced prime, Bilskirnir, Blum integer, Cake number, Campaign finance in the United States, Carmichael number, Centered cube number, Centered heptagonal number, Centered hexagonal number, Centered nonagonal number, Centered octagonal number, Centered octahedral number, Centered pentagonal number, Centered square number, Centered tetrahedral number, Centered triangular number, Chen prime, Cuban prime, Cube (algebra), Cunningham chain, Cyclic group, D, Daytona 500, Decagonal number, Decimal, Dudeney number, Egyptian numerals, Eight queens puzzle, Eisenstein integer, Email, Euler's totient function, Exceptional Lie algebra, FiveThirtyEight, Generalizations of Fibonacci numbers, Happy number, Harshad number, Hebrew numerals, Hemoglobin, Heptagonal number, Hexagonal number, Highly cototient number, Highly totient number, Hotline, ... Expand index (88 more) »
Achilles number
An Achilles number is a number that is powerful but not a perfect power.
See 500 (number) and Achilles number
Amicable numbers
Amicable numbers are two different natural numbers related in such a way that the sum of the proper divisors of each is equal to the other number.
See 500 (number) and Amicable numbers
Apéry's constant
In mathematics, Apéry's constant is the sum of the reciprocals of the positive cubes.
See 500 (number) and Apéry's constant
Apple Filing Protocol
The Apple Filing Protocol (AFP), formerly AppleTalk Filing Protocol, is a proprietary network protocol, and part of the Apple File Service (AFS), that offers file services for macOS, classic Mac OS, and Apple II computers.
See 500 (number) and Apple Filing Protocol
Armenian numerals
Armenian numerals form a historic numeral system created using the majuscules (uppercase letters) of the Armenian alphabet.
See 500 (number) and Armenian numerals
Automorphism group
In mathematics, the automorphism group of an object X is the group consisting of automorphisms of X under composition of morphisms.
See 500 (number) and Automorphism group
Babylonian cuneiform numerals
Babylonian cuneiform numerals, also used in Assyria and Chaldea, were written in cuneiform, using a wedge-tipped reed stylus to print a mark on a soft clay tablet which would be exposed in the sun to harden to create a permanent record.
See 500 (number) and Babylonian cuneiform numerals
Balanced prime
In number theory, a balanced prime is a prime number with equal-sized prime gaps above and below it, so that it is equal to the arithmetic mean of the nearest primes above and below.
See 500 (number) and Balanced prime
Bilskirnir
Bilskirnir (Old Norse "lightning-crack"Orchard (1997:20).) is the hall of the god Thor in Norse mythology.
See 500 (number) and Bilskirnir
Blum integer
In mathematics, a natural number n is a Blum integer if is a semiprime for which p and q are distinct prime numbers congruent to 3 mod 4.
See 500 (number) and Blum integer
Cake number
In mathematics, the cake number, denoted by Cn, is the maximum of the number of regions into which a 3-dimensional cube can be partitioned by exactly n planes.
See 500 (number) and Cake number
Campaign finance in the United States
The financing of electoral campaigns in the United States happens at the federal, state, and local levels by contributions from individuals, corporations, political action committees, and sometimes the government.
See 500 (number) and Campaign finance in the United States
Carmichael number
In number theory, a Carmichael number is a composite number which in modular arithmetic satisfies the congruence relation: for all integers.
See 500 (number) and Carmichael number
Centered cube number
A centered cube number is a centered figurate number that counts the points in a three-dimensional pattern formed by a point surrounded by concentric cubical layers of points, with points on the square faces of the th layer.
See 500 (number) and Centered cube number
Centered heptagonal number
A centered heptagonal number is a centered figurate number that represents a heptagon with a dot in the center and all other dots surrounding the center dot in successive heptagonal layers.
See 500 (number) and Centered heptagonal number
Centered hexagonal number
In mathematics and combinatorics, 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.
See 500 (number) and Centered hexagonal number
Centered nonagonal number
A centered nonagonal number (or centered enneagonal number) is a centered figurate number that represents a nonagon with a dot in the center and all other dots surrounding the center dot in successive nonagonal layers.
See 500 (number) and Centered nonagonal number
Centered octagonal number
A centered octagonal number is a centered figurate number that represents an octagon with a dot in the center and all other dots surrounding the center dot in successive octagonal layers.
See 500 (number) and Centered octagonal number
Centered octahedral number
A centered octahedral number or Haüy octahedral number is a figurate number that counts the points of a three-dimensional integer lattice that lie inside an octahedron centered at the origin.
See 500 (number) and Centered octahedral number
Centered pentagonal number
A centered pentagonal number is a centered figurate number that represents a pentagon with a dot in the center and all other dots surrounding the center in successive pentagonal layers.
See 500 (number) and Centered pentagonal number
Centered square number
In elementary number theory, a centered square number is a centered figurate number that gives the number of dots in a square with a dot in the center and all other dots surrounding the center dot in successive square layers.
See 500 (number) and Centered square number
Centered tetrahedral number
A centered tetrahedral number is a centered figurate number that represents a tetrahedron.
See 500 (number) and Centered tetrahedral number
Centered triangular number
A centered (or centred) triangular number is a centered figurate number that represents an equilateral triangle with a dot in the center and all its other dots surrounding the center in successive equilateral triangular layers.
See 500 (number) and Centered triangular number
Chen prime
In mathematics, a prime number p is called a Chen prime if p + 2 is either a prime or a product of two primes (also called a semiprime).
See 500 (number) and Chen prime
Cuban prime
A cuban prime is a prime number that is also a solution to one of two different specific equations involving differences between third powers of two integers x and y.
See 500 (number) and Cuban prime
Cube (algebra)
In arithmetic and algebra, the cube of a number is its third power, that is, the result of multiplying three instances of together. 500 (number) and cube (algebra) are integers.
See 500 (number) and Cube (algebra)
Cunningham chain
In mathematics, a Cunningham chain is a certain sequence of prime numbers.
See 500 (number) and Cunningham chain
Cyclic group
In abstract algebra, a cyclic group or monogenous group is a group, denoted Cn (also frequently \Zn or Zn, not to be confused with the commutative ring of p-adic numbers), that is generated by a single element.
See 500 (number) and Cyclic group
D
D, or d, is the fourth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide.
Daytona 500
The Daytona 500 is a NASCAR Cup Series motor race held annually at Daytona International Speedway in Daytona Beach, Florida.
See 500 (number) and Daytona 500
Decagonal number
A decagonal number is a figurate number that extends the concept of triangular and square numbers to the decagon (a ten-sided polygon).
See 500 (number) and Decagonal number
Decimal
The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers.
Dudeney number
In number theory, a Dudeney number in a given number base b is a natural number equal to the perfect cube of another natural number such that the digit sum of the first natural number is equal to the second.
See 500 (number) and Dudeney number
Egyptian numerals
The system of ancient Egyptian numerals was used in Ancient Egypt from around 3000 BC until the early first millennium AD.
See 500 (number) and Egyptian numerals
Eight queens puzzle
The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other; thus, a solution requires that no two queens share the same row, column, or diagonal.
See 500 (number) and Eight queens puzzle
Eisenstein integer
In mathematics, the Eisenstein integers (named after Gotthold Eisenstein), occasionally also known as Eulerian integers (after Leonhard Euler), are the complex numbers of the form where and are integers and is a primitive (hence non-real) cube root of unity. 500 (number) and Eisenstein integer are integers.
See 500 (number) and Eisenstein integer
Electronic mail (email or e-mail) is a method of transmitting and receiving messages using electronic devices.
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.
See 500 (number) and Euler's totient function
Exceptional Lie algebra
In mathematics, an exceptional Lie algebra is a complex simple Lie algebra whose Dynkin diagram is of exceptional (nonclassical) type.
See 500 (number) and Exceptional Lie algebra
FiveThirtyEight
538, originally rendered as FiveThirtyEight, is an American website that focused on opinion poll analysis, politics, economics, and sports blogging in the United States.
See 500 (number) and FiveThirtyEight
Generalizations of Fibonacci numbers
In mathematics, the Fibonacci numbers form a sequence defined recursively by: \begin 0 & n.
See 500 (number) and Generalizations of Fibonacci numbers
Happy number
In number theory, a happy number is a number which eventually reaches 1 when replaced by the sum of the square of each digit.
See 500 (number) and Happy number
Harshad number
In mathematics, a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written in that base.
See 500 (number) and Harshad number
Hebrew numerals
The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet.
See 500 (number) and Hebrew numerals
Hemoglobin
Hemoglobin (haemoglobin, Hb or Hgb) is a protein containing iron that facilitates the transport of oxygen in red blood cells.
See 500 (number) and Hemoglobin
Heptagonal number
A heptagonal number is a figurate number that is constructed by combining heptagons with ascending size.
See 500 (number) and Heptagonal number
Hexagonal number
Not to be confused with hexadecimal numbers. A hexagonal number is a figurate number.
See 500 (number) and Hexagonal number
Highly cototient number
In number theory, a branch of mathematics, a highly cototient number is a positive integer k which is above 1 and has more solutions to the equation than any other integer below k and above 1.
See 500 (number) and Highly cototient number
Highly totient number
A highly totient number k is an integer that has more solutions to the equation \phi(x).
See 500 (number) and Highly totient number
Hotline
A hotline is a point-to-point communications link in which a call is automatically directed to the preselected destination without any additional action by the user when the end instrument goes off-hook.
Idoneal number
In mathematics, Euler's idoneal numbers (also called suitable numbers or convenient numbers) are the positive integers D such that any integer expressible in only one way as x2 ± Dy2 (where x2 is relatively prime to Dy2) is a prime power or twice a prime power.
See 500 (number) and Idoneal number
Imperial College London
Imperial College London (Imperial) is a public research university in London, England.
See 500 (number) and Imperial College London
Indianapolis 500
The Indianapolis 500, formally known as the Indianapolis 500-Mile Race, and commonly shortened to Indy 500, is an annual automobile race held at the Indianapolis Motor Speedway in Speedway, Indiana, United States, an enclave suburb of Indianapolis.
See 500 (number) and Indianapolis 500
IndyCar
IndyCar, LLC (stylized as INDYCAR), is an auto racing sanctioning body for American open-wheel car racing headquartered in Indianapolis, Indiana.
Integer
An integer is the number zero (0), a positive natural number (1, 2, 3,...), or the negation of a positive natural number (−1, −2, −3,...). The negations or additive inverses of the positive natural numbers are referred to as negative integers. 500 (number) and integer are integers.
Japanese wordplay
Japanese wordplay relies on the nuances of the Japanese language and Japanese script for humorous effect.
See 500 (number) and Japanese wordplay
Jeans
Jeans are a type of trousers made from denim or dungaree cloth.
Kilometre
The kilometre (SI symbol: km; or), spelt kilometer in American English and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for). It is the preferred measurement unit to express distances between geographical places on land in most of the world; notable exceptions are the United States and the United Kingdom where the statute mile is used.
See 500 (number) and Kilometre
Knödel number
In number theory, an n-Knödel number for a given positive integer n is a composite number m with the property that each i i^ \equiv 1 \pmod.
See 500 (number) and Knödel number
Konami
, commonly known as Konami,, is a Japanese multinational entertainment company and video game developer and publisher headquartered in Chūō, Tokyo.
Levi Strauss & Co.
Levi Strauss & Co. is an American clothing company known worldwide for its Levi's brand of denim jeans.
See 500 (number) and Levi Strauss & Co.
Leyland number
In number theory, a Leyland number is a number of the form where x and y are integers greater than 1.
See 500 (number) and Leyland number
List of gestures
Gestures are a form of nonverbal communication in which visible bodily actions are used to communicate important messages, either in place of speech or together and in parallel with spoken words.
See 500 (number) and List of gestures
Lucas number
The Lucas sequence is an integer sequence named after the mathematician François Édouard Anatole Lucas (1842–1891), who studied both that sequence and the closely related Fibonacci sequence.
See 500 (number) and Lucas number
Lucky number
In number theory, a lucky number is a natural number in a set which is generated by a certain "sieve".
See 500 (number) and Lucky number
Macbeath surface
In Riemann surface theory and hyperbolic geometry, the Macbeath surface, also called Macbeath's curve or the Fricke–Macbeath curve, is the genus-7 Hurwitz surface.
See 500 (number) and Macbeath surface
Magic constant
The magic constant or magic sum of a magic square is the sum of numbers in any row, column, or diagonal of the magic square.
See 500 (number) and Magic constant
Magic square
In mathematics, especially historical and recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same.
See 500 (number) and Magic square
Ménage problem
In combinatorial mathematics, the ménage problem or problème des ménages asks for the number of different ways in which it is possible to seat a set of male-female couples at a round dining table so that men and women alternate and nobody sits next to his or her partner.
See 500 (number) and Ménage problem
Meander (mathematics)
In mathematics, a meander or closed meander is a self-avoiding closed curve which crosses a given line a number of times, meaning that it intersects the line while passing from one side to the other.
See 500 (number) and Meander (mathematics)
Mersenne prime
In mathematics, a Mersenne prime is a prime number that is one less than a power of two.
See 500 (number) and Mersenne prime
Mertens function
In number theory, the Mertens function is defined for all positive integers n as where \mu(k) is the Möbius function.
See 500 (number) and Mertens function
Mian–Chowla sequence
In mathematics, the Mian–Chowla sequence is an integer sequence defined recursively in the following way.
See 500 (number) and Mian–Chowla sequence
Mile
The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a British imperial unit and United States customary unit of distance; both are based on the older English unit of length equal to 5,280 English feet, or 1,760 yards.
Ming (clam)
Ming (1498 or 1499–2006), also known as Hafrún, was an ocean quahog clam (Arctica islandica, family Arcticidae) that was dredged off the coast of Iceland in 2006 and whose age was calculated by counting annual growth lines in the shell.
See 500 (number) and Ming (clam)
NASCAR
The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing.
National Assembly (France)
The National Assembly (Assemblée nationale) is the lower house of the bicameral French Parliament under the Fifth Republic, the upper house being the Senate (Sénat).
See 500 (number) and National Assembly (France)
Natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, etc., possibly excluding 0. 500 (number) and natural number are integers.
See 500 (number) and Natural number
Nonagonal number
A nonagonal number, or an enneagonal number, is a figurate number that extends the concept of triangular and square numbers to the nonagon (a nine-sided polygon).
See 500 (number) and Nonagonal number
Nontotient
In number theory, a nontotient is a positive integer n which is not a totient number: it is not in the range of Euler's totient function φ, that is, the equation φ(x).
See 500 (number) and Nontotient
Northern California
Northern California (commonly shortened to NorCal) is a geographic and cultural region that generally comprises the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's 58 counties.
See 500 (number) and Northern California
NTSC
NTSC (from National Television Standards Committee) is the first American standard for analog television, published in 1941.
Order (group theory)
In mathematics, the order of a finite group is the number of its elements.
See 500 (number) and Order (group theory)
Ordered Bell number
In number theory and enumerative combinatorics, the ordered Bell numbers or Fubini numbers count the weak orderings on a set of n elements.
See 500 (number) and Ordered Bell number
Ostomachion
In ancient Greek geometry, the Ostomachion, also known as loculus Archimedius or syntomachion, is a mathematical treatise attributed to Archimedes.
See 500 (number) and Ostomachion
Palindromic number
A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16461) that remains the same when its digits are reversed.
See 500 (number) and Palindromic number
Pentagonal number
A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns involved in the construction of pentagonal numbers are not rotationally symmetrical.
See 500 (number) and Pentagonal number
Pentium
Pentium is a discontinued series of x86 architecture-compatible microprocessors produced by Intel.
Perfect number
In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number itself.
See 500 (number) and Perfect number
Pint
The pint (symbol pt, sometimes abbreviated as p) is a unit of volume or capacity in both the imperial and United States customary measurement systems.
Power of two
A power of two is a number of the form where is an integer, that is, the result of exponentiation with number two as the base and integer as the exponent. 500 (number) and power of two are integers.
See 500 (number) and Power of two
Prime gap
A prime gap is the difference between two successive prime numbers.
See 500 (number) and Prime gap
Prime number
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers.
See 500 (number) and Prime number
Primitive abundant number
In mathematics a primitive abundant number is an abundant number whose proper divisors are all deficient numbers.
See 500 (number) and Primitive abundant number
Projective linear group
In mathematics, especially in the group theoretic area of algebra, the projective linear group (also known as the projective general linear group or PGL) is the induced action of the general linear group of a vector space V on the associated projective space P(V).
See 500 (number) and Projective linear group
Pronic number
A pronic number is a number that is the product of two consecutive integers, that is, a number of the form n(n+1).
See 500 (number) and Pronic number
Prose Edda
The Prose Edda, also known as the Younger Edda, Snorri's Edda (Snorra Edda) or, historically, simply as Edda, is an Old Norse textbook written in Iceland during the early 13th century.
See 500 (number) and Prose Edda
Pyramidal number
A pyramidal number is the number of points in a pyramid with a polygonal base and triangular sides.
See 500 (number) and Pyramidal number
Radio 538
Radio 538 is a Dutch commercial radio station founded in Hilversum, Netherlands in 1992.
See 500 (number) and Radio 538
Repdigit
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).
Safe and Sophie Germain primes
In number theory, a prime number p is a Sophie Germain prime if 2p + 1 is also prime.
See 500 (number) and Safe and Sophie Germain primes
Self number
In number theory, a self number or Devlali number in a given number base b is a natural number that cannot be written as the sum of any other natural number n and the individual digits of n. 20 is a self number (in base 10), because no such combination can be found (all n give a result less than 20; all other n give a result greater than 20).
See 500 (number) and Self number
Semiprime
In mathematics, a semiprime is a natural number that is the product of exactly two prime numbers.
See 500 (number) and Semiprime
Sexy prime
In number theory, sexy primes are prime numbers that differ from each other by.
See 500 (number) and Sexy prime
Simple group
In mathematics, a simple group is a nontrivial group whose only normal subgroups are the trivial group and the group itself.
See 500 (number) and Simple group
Simple Mail Transfer Protocol
The Simple Mail Transfer Protocol (SMTP) is an Internet standard communication protocol for electronic mail transmission.
See 500 (number) and Simple Mail Transfer Protocol
Smith number
In number theory, a Smith number is a composite number for which, in a given number base, the sum of its digits is equal to the sum of the digits in its prime factorization in the same base.
See 500 (number) and Smith number
Sparsely totient number
In mathematics, a sparsely totient number is a certain kind of natural number.
See 500 (number) and Sparsely totient number
Sphenic number
In number theory, a sphenic number (from σφήνα, 'wedge') is a positive integer that is the product of three distinct prime numbers.
See 500 (number) and Sphenic number
Sporadic group
In the mathematical classification of finite simple groups, there are a number of groups which do not fit into any infinite family.
See 500 (number) and Sporadic group
Square pyramidal number
In mathematics, a pyramid number, or square pyramidal number, is a natural number that counts the stacked spheres in a pyramid with a square base.
See 500 (number) and Square pyramidal number
Star number
A star number is a centered figurate number, a centered hexagram (six-pointed star), such as the Star of David, or the board Chinese checkers is played on.
See 500 (number) and Star number
Star Trek: Deep Space Nine
Star Trek: Deep Space Nine (DS9) is an American science fiction television series created by Rick Berman and Michael Piller.
See 500 (number) and Star Trek: Deep Space Nine
Tetrahedral number
A tetrahedral number, or triangular pyramidal number, is a figurate number that represents a pyramid with a triangular base and three sides, called a tetrahedron.
See 500 (number) and Tetrahedral number
The Graduate
The Graduate is a 1967 American independent romantic comedy-drama film directed by Mike Nichols and written by Buck Henry and Calder Willingham, based on the 1963 novel of the same name by Charles Webb, who wrote it shortly after graduating from Williams College.
See 500 (number) and The Graduate
The Siege of AR-558
"The Siege of AR-558" is the 158th episode of the television series Star Trek: Deep Space Nine, the eighth episode of the seventh season, first aired the week of November 16, 1998.
See 500 (number) and The Siege of AR-558
Thor
Thor (from Þórr) is a prominent god in Germanic paganism.
Transport
Transport (in British English) or transportation (in American English) is the intentional movement of humans, animals, and goods from one location to another.
See 500 (number) and Transport
Tree (graph theory)
In graph theory, a tree is an undirected graph in which any two vertices are connected by path, or equivalently a connected acyclic undirected graph.
See 500 (number) and Tree (graph theory)
Triangular number
A triangular number or triangle number counts objects arranged in an equilateral triangle.
See 500 (number) and Triangular number
Twin prime
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 or In other words, a twin prime is a prime that has a prime gap of two.
See 500 (number) and Twin prime
U-571 (film)
U-571 is a 2000 submarine film directed by Jonathan Mostow from a screenplay he co-wrote with Sam Montgomery and David Ayer.
See 500 (number) and U-571 (film)
United States
The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America.
See 500 (number) and United States
United States Electoral College
In the United States, the Electoral College is the group of presidential electors that is formed every four years during the presidential election for the sole purpose of voting for the president and vice president.
See 500 (number) and United States Electoral College
Untouchable number
In mathematics, an untouchable number is a positive integer that cannot be expressed as the sum of all the proper divisors of any positive integer.
See 500 (number) and Untouchable number
Valhalla
In Norse mythology Valhalla is the anglicised name for Valhǫll ("hall of the slain").
Weak ordering
In mathematics, especially order theory, a weak ordering is a mathematical formalization of the intuitive notion of a ranking of a set, some of whose members may be tied with each other.
See 500 (number) and Weak ordering
Wilson prime
In number theory, a Wilson prime is a prime number p such that p^2 divides (p-1)!+1, where "!" denotes the factorial function; compare this with Wilson's theorem, which states that every prime p divides (p-1)!+1.
See 500 (number) and Wilson prime
175 (number)
175 (one hundred seventy-five) is the natural number following 174 and preceding 176. 500 (number) and 175 (number) are integers.
See 500 (number) and 175 (number)
1989 Tiananmen Square protests and massacre
The Tiananmen Square protests, known in China as the June Fourth Incident, were student-led demonstrations held in Tiananmen Square, Beijing, China, lasting from 15 April to 4 June 1989.
See 500 (number) and 1989 Tiananmen Square protests and massacre
251 (number)
251 (two hundred fifty-one) is the natural number between 250 and 252. 500 (number) and 251 (number) are integers.
See 500 (number) and 251 (number)
400 (number)
400 (four hundred) is the natural number following 399 and preceding 401. 500 (number) and 400 (number) are integers.
See 500 (number) and 400 (number)
5-1-1
5-1-1 is a transportation and traffic information telephone hotline in some regions of the United States and Canada.
5.56×45mm NATO
The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO, commonly pronounced "five-five-six") is a rimless bottlenecked centerfire intermediate cartridge family developed in the late 1970s in Belgium by FN Herstal.
See 500 (number) and 5.56×45mm NATO
501 (number)
501 (five hundred one) is the natural number following 500 and preceding 502. 500 (number) and 501 (number) are integers.
See 500 (number) and 501 (number)
527 organization
A 527 organization or 527 group is a type of U.S. tax-exempt organization organized under Section 527 of the U.S. Internal Revenue Code.
See 500 (number) and 527 organization
529 plan
A 529 plan, also called a Qualified Tuition Program, is a tax-advantaged investment vehicle in the United States designed to encourage saving for the future higher education expenses of a designated beneficiary.
8
8 (eight) is the natural number following 7 and preceding 9. 500 (number) and 8 are integers.
References
Also known as 502 (number), 503 (number), 504 (number), 505 (number), 506 (number), 507 (number), 508 (number), 509 (number), 510 (number), 513 (number), 514 (number), 515 (number), 516 (number), 517 (number), 518 (number), 519 (number), 520 (number), 521 (number), 522 (number), 523 (number), 524 (number), 525 (number), 526 (number), 527 (number), 528 (number), 529 (number), 530 (number), 531 (number), 532 (number), 533 (number), 534 (number), 535 (number), 536 (number), 537 (number), 538 (number), 539 (number), 540 (number), 541 (number), 542 (number), 543 (number), 544 (number), 545 (number), 546 (number), 547 (number), 548 (number), 549 (number), 550 (number), 551 (number), 552 (number), 553 (number), 554 (number), 556 (number), 557 (number), 558 (number), 559 (number), 560 (number), 561 (number), 562 (number), 563 (number), 564 (number), 565 (number), 566 (number), 567 (number), 568 (number), 569 (number), 570 (number), 571 (number), 572 (number), 573 (number), 574 (number), 575 (number), 576 (number), 577 (number), 578 (number), 579 (number), 580 (number), 581 (number), 582 (number), 583 (number), 584 (number), 585 (number), 586 (number), 587 (number), 588 (number), 589 (number), 590 (number), 591 (number), 592 (number), 593 (number), 594 (number), 595 (number), 596 (number), 597 (number), 598 (number), 599 (number), Five hundred and four, Five hundred and three, Five hundred and two, Five hundred eight, Five hundred eighteen, Five hundred fifteen, Five hundred fifty, Five hundred fifty-eight, Five hundred fifty-four, Five hundred fifty-nine, Five hundred fifty-one, Five hundred fifty-seven, Five hundred fifty-six, Five hundred fifty-three, Five hundred fifty-two, Five hundred five, Five hundred forty, Five hundred forty-eight, Five hundred forty-five, Five hundred forty-four, Five hundred forty-nine, Five hundred forty-one, Five hundred forty-seven, Five hundred forty-six, Five hundred forty-three, Five hundred forty-two, Five hundred four, Five hundred fourteen, Five hundred nine, Five hundred one, Five hundred seven, Five hundred seventeen, Five hundred seventy, Five hundred seventy-four, Five hundred seventy-one, Five hundred seventy-three, Five hundred seventy-two, Five hundred six, Five hundred sixteen, Five hundred sixty, Five hundred sixty-eight, Five hundred sixty-five, Five hundred sixty-four, Five hundred sixty-nine, Five hundred sixty-one, Five hundred sixty-seven, Five hundred sixty-six, Five hundred sixty-three, Five hundred sixty-two, Five hundred ten, Five hundred thirteen, Five hundred thirty, Five hundred thirty-eight, Five hundred thirty-five, Five hundred thirty-four, Five hundred thirty-nine, Five hundred thirty-one, Five hundred thirty-seven, Five hundred thirty-six, Five hundred thirty-three, Five hundred thirty-two, Five hundred three, Five hundred twenty, Five hundred twenty-eight, Five hundred twenty-five, Five hundred twenty-four, Five hundred twenty-nine, Five hundred twenty-one, Five hundred twenty-seven, Five hundred twenty-six, Five hundred twenty-three, Five hundred twenty-two, Five hundred two, Number 500.