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 "Woodall number"
(cat. changed) |
(see also) |
||
Line 4: | Line 4: | ||
A '''Woodall prime''' is a Woodall number which is [[prime]]. | A '''Woodall prime''' is a Woodall number which is [[prime]]. | ||
+ | |||
+ | ==See also== | ||
+ | *[[Cullen number]] | ||
==External links== | ==External links== | ||
*[[Wikipedia:Woodall_number|Woodall number]] | *[[Wikipedia:Woodall_number|Woodall number]] | ||
[[Category:Numbers]] | [[Category:Numbers]] |
Revision as of 11:22, 27 February 2019
In number theory, a Woodall number Wn is any natural number of the form
- Wn = n × 2n-1
for some natural number n.
A Woodall prime is a Woodall number which is prime.