tables > repunit > 21

Base 21 Repunits

Table

Viewing: 454 – 454 << prev next >>

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

* 454: \[{21^{454}-1\over20}\] 2 × 11 × 24971 × 2646531892461378714335381<25> × 26307087968534536492435242740004010840943942590798885871148425394113792980077092659997460806684342719378550896650637248771026433450955627842768759916085264300859428543370123948394983256199640706235988774243966026348167416301453163054427612057896242226915201929481038443667187<275> × [2534669209246859948649448670917282349543732346714494892422182425322930000716195928194373374921813409283837412101304702489206569114392015262011380132647874801477617937746744858655015178260362060962663169456327458330652170393582361016610564256883728485632724193870978877971996001625988413335216591<295>]

Index range: 454 – 454 << prev next >>