tables > repunit > 21

Base 21 Repunits

Table

Viewing: 317 – 317 << prev next >>

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

* 317: \[{21^{317}-1\over20}\] 853011327991<12> × [8157022051151523561838853287964176897079908258589481769620124425152608189625722675139258607527510220589968985031110792246374622139787188781089236381534291239241918913231275081264653543091443977134239122557620392383093885383095627275731111079191097498979905492347350966577818581701858967556807865669530918986258505788171898350331155736269704214413939947366960417041865086522553495288850081304139216377529107<406>]

Index range: 317 – 317 << prev next >>