bn:02575135n
Noun Concept
Categories: Prime numbers, Analytic number theory, Unsolved problems in number theory
EN
Riesel number
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 · 2 n − 1 are all composite Wikipedia Disambiguation
Odd natural number k such that k·2^n − 1 is composite for all natural n Wikidata
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