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bn:02575135n
Noun Concept
Categories: Prime numbers, Analytic number theory, Unsolved problems in number theory
EN
Riesel number  509203  Brier number  de Polignac number  Riesel conjecture
EN
In mathematics, a Riesel number is an odd natural number k for which k × 2 n − 1 {\displaystyle k\times 2^{n}-1} is composite for all natural numbers n. Wikipedia
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EN
In mathematics, a Riesel number is an odd natural number k for which k × 2 n − 1 {\displaystyle k\times 2^{n}-1} is composite for all natural numbers n. Wikipedia
An odd natural number k for which the integers of the form k·2n−1 are all composite Wikipedia Disambiguation
Odd natural number k such that k·2^n − 1 is composite for all natural n Wikidata
IS A
natural number
odd number
NAMED AFTER
Hans Riesel
Wikipedia
EN
Riesel number
Wikidata
EN
Riesel number
Wikipedia Redirections
EN
509203, Brier number, de Polignac number, Riesel conjecture, Riesel problem

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