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Cullen number

Index Cullen number

In mathematics, a Cullen number is a natural number of the form n \cdot 2^n + 1 (written C_n). [1]

21 relations: Almost all, American Mathematical Society, Cambridge University Press, Christopher Hooley, Composite number, Fermat's little theorem, Jacobi symbol, James Cullen (mathematician), Mathematics, Mathematics of Computation, Megaprime, Natural density, Natural number, On-Line Encyclopedia of Integer Sequences, Prime number, Prime Pages, PrimeGrid, Proth number, Providence, Rhode Island, Springer Science+Business Media, Woodall number.

Almost all

In mathematics, the term "almost all" means "all but a negligible amount".

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American Mathematical Society

The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, advocacy and other programs.

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Christopher Hooley

Christopher Hooley FLSW FRS (born 7 August 1928) is a British mathematician, emeritus professor of mathematics at Cardiff University.

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Composite number

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

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Fermat's little theorem

Fermat's little theorem states that if is a prime number, then for any integer, the number is an integer multiple of.

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Jacobi symbol

Jacobi symbol for various k (along top) and n (along left side).

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James Cullen (mathematician)

Father James Cullen, S.J. (19 April 1867 – 7 December 1933) was born at Drogheda, County Louth, Ireland.

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Mathematics

Mathematics (from Greek μάθημα máthēma, "knowledge, study, learning") is the study of such topics as quantity, structure, space, and change.

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Mathematics of Computation

Mathematics of Computation is a bimonthly mathematics journal focused on computational mathematics.

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Megaprime

A megaprime is a prime number with at least one million decimal digits (whereas titanic prime is a prime number with at least 1,000 digits, and gigantic prime has at least 10,000 digits).

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Natural density

In number theory, natural density (or asymptotic density or arithmetic density) is one of the possibilities to measure how large a subset of the set of natural numbers is.

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Natural number

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

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On-Line Encyclopedia of Integer Sequences

The On-Line Encyclopedia of Integer Sequences (OEIS), also cited simply as Sloane's, is an online database of integer sequences.

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Prime number

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

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Prime Pages

The Prime Pages is a website about prime numbers maintained by Chris Caldwell at the University of Tennessee at Martin.

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PrimeGrid

PrimeGrid is a volunteer distributed computing project searching for prime numbers of world-record size.

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Proth number

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.

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Providence, Rhode Island

Providence is the capital and most populous city of the U.S. state of Rhode Island and is one of the oldest cities in the United States.

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Springer Science+Business Media

Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Woodall number

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.

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Redirects here:

Cullen prime, Generalized Cullen number, Generalized Cullen prime.

References

[1] https://en.wikipedia.org/wiki/Cullen_number

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