tables > repunit > 21

Base 21 Repunits

Table

Viewing: 499 – 499 << prev next >>

(available: 0-999)

Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 499: \[{21^{499}-1\over20}\] 490019 × 71732691113<11> × [871902720610986045659183306086434328457456024783722782778105689749566557758399705492345911795036870312249220056983368405242163161268259186189555347720948141381746169442735134207872577312895735632870038311380598194128128799899661130740718911637404047182548074254556714231462118589995230022695152001036730898148298268376865077859751377387601135237399351498477527193142241207001693694812325358469843511805379867518348883916803246920530342469938535155020789037881774099258611545331540862084759218622246057490529825286304782923261077291438291981825278918989112759784880891966728004932672709776347940882575659179789752939093479160576289492852838477<642>]

Index range: 499 – 499 << prev next >>