tables > repunit > 21

Base 21 Repunits

Table

Viewing: 613 – 613 << prev next >>

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

* 613: \[{21^{613}-1\over20}\] 2966921 × 27604977671<11> × 76630506456986029<17> × 11405274107676761760709<23> × [2315244548771178371739442898151130628906123918834267603085801753029584506862785150432824852910676834905092948162119670850185188442347642605867599347866715721780361194768052429743426260891801245722833642708853392310366159853592750189036787044526953392038168731113233882446136998998071422564717330564627152189938745056025616948712245980416134829294815404659366891680268720064369355821565215735785677630752791985677837253584262034948011963164389484453578431642662827620150140824713780693262535599083175569116913075831843380112326396342444555502217415864388189145556889683563521098840719955820794487305347068118321245275634233039597011151780818026015439105244168817138658382323895482817661992667988830794547725421390470809504205578028330336480816667712072723<754>]

Index range: 613 – 613 << prev next >>