Man pages matching name number in section 6:

number.6.en	debian 10 / bsdgames
number.6.ja	debian 10 / manpages-ja
number.6.en	debian 11 / bsdgames
number.6.ja	debian 11 / manpages-ja
number.6.en	debian 12 / bsdgames
number.6.ja	debian 12 / manpages-ja