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Difference between revisions of "Sierpiński number"
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| − | A ''' | + | A '''Sierpiński number''' is an odd natural number ''k'' such that all k×2<sup>n</sup>+1 for all n are [[Composite number|composite]]. |
These numbers are named after [[Wacław Sierpiński]]. | These numbers are named after [[Wacław Sierpiński]]. | ||
==See also== | ==See also== | ||
| − | [[ | + | [[Sierpiński problem]] |
==External links== | ==External links== | ||
| − | *[ | + | *[[Wikipedia:Sierpinski_number|Sierpiński number]] |
[[Category:Numbers]] | [[Category:Numbers]] | ||
Revision as of 10:52, 20 February 2019
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.
