Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3). |
Navigation
Topics | Help • Register • News • History • How to • Sequences statistics • Template prototypes |
Difference between revisions of "Sierpiński number"
(cat. changed) |
m |
||
Line 1: | Line 1: | ||
− | A '''Sierpiński number''' is an odd natural number | + | A '''Sierpiński number''' is an odd natural number {{Vk}} such that all {{Kbn|+|k|n}} for all {{Vn}} are [[Composite number|composite]]. |
These numbers are named after [[Wacław Sierpiński]]. | These numbers are named after [[Wacław Sierpiński]]. |
Revision as of 07:18, 26 July 2021
A Sierpiński number is an odd natural number k such that all k•2n+1 for all n are composite.
These numbers are named after Wacław Sierpiński.