tables > repunit > 21

Base 21 Repunits

Table

Viewing: 313 – 313 << prev next >>

(available: 0-999)

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

* 313: \[{21^{313}-1\over20}\] 537600269984525323<18> × 11514450249402323815640732423<29> × [5779716949954597529325402923094938891093997956865281479931939900351577633192551054413452426138976057018031178259203503227291758192428610179517840521228549111901328984285465254389186277079317912145401943569886682195464805182981664737517324787765370306460040474302702477045894643994258852265356326407841596667445063453289454924241577616819176862793475183436284108041037<367>]

Index range: 313 – 313 << prev next >>