tables > repunit > 21

Base 21 Repunits

Table

Viewing: 557 – 557 << prev next >>

(available: 0-999)

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

* 557: \[{21^{557}-1\over20}\] 63499 × [23569495420254972573148791193440497500405488805682703571848812145445199422994418851233901464989144491203484154195780882946622367303349682015020468009835378756413957769837613719567470710045633507250999695623663401038908767743203277030023601918554407293169023122673917097414889246687040696852715251071650899142522038697584073098454608109150412938589408194251063612120075399094348961923046959948460788922405754165509047803041172849685327757023160890471457576454496028575057209175510109945773143136467683210841752934731428334541689500558546325460482735065984197198232953958128306080531165135496784211212348411613927538367128672901700864779025315198771573717866707357061360147616158479255370847491438530715633415567007016465326789819023<731>]

Index range: 557 – 557 << prev next >>