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Riesel number · Vinony

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EntityQ301128· pop 13· linked from 228 articles

Riesel number

odd natural number k such that k·2^n − 1 is composite for all natural n

Available in 13 languages

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Connections

figurate number

Categories

Analytic number theory Prime numbers Unsolved problems in number theory

Sources

wikipedia.externallinksexternallink

via Wikidata sitelinks · CC0

Sierpinski number

Entity

automorphic number

International Standard Book Number

binary numeral system

greatest common divisor

three-dimensional space

natural language

composite number

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What links here228 pages

almost perfect number

Dedekind number

sociable number

practical number

perfect totient number

Padovan sequence

octahedral number

centered pentagonal number

untouchable number

parasitic number

Erdős–Woods number

centered nonagonal number

quasiperfect number

hexagonal number

centered polygonal number

triangular number

self-descriptive number