Results 201 to 210 of about 143,448 (228)

Prime-Perfect Numbers

Integers, 2012
Abstract.We discuss a relative of the perfect numbers for which it is possible to prove that there are infinitely many examples. Call a natural numberasWe conclude by discussing some related problems posed by Harborth and Cohen.
Pollack, Paul, Pomerance, Carl
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Prime Numbers

1999
Es handelt sich um einen Vortrag, den der Autor im Mai 1991 vor Studenten der ETH Zürich hielt. Ohne zahlentheoretische Kenntnisse vorauszusetzen, werden zentrale Fragestellungen der Primzahltheorie vorgestellt. Den Primzahlsatz, sowie die Vermutung über die Anzahl der Primzahlzwillinge bzw.
  +5 more sources

Prime Number Records

The College Mathematics Journal, 1994
Elementary exposition of the author's well-known survey [see mainly his monograph ``The book of prime numbers'' (Springer 1988; Zbl 0642.10001)] which has been published in slightly different versions in several languages, too.
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Prime Numbers

2018
We denote by π(x) the number of prime numbers smaller than or equal to x, and decide that p will always denote a prime number.
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Prime Numbers

2021
Satyabrota Kundu, Sypriyo Mazumder
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Prime Numbers

2014
Sylvia Forman, Agnes M. Rash
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Prime Numbers

1995
W. S. Anglin, J. Lambek
openaire   +1 more source

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