tables > repunit > 21

Base 21 Repunits

Table

Viewing: 625 – 625 << prev next >>

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

* 625: \[{21^{625}-1\over20}\] 54 × 251 × 21001 × 40841 × 165001 × 2031851 × 72095440221251<14> × 27385718497004633851<20> × 61856751975900984009042515310001<32> × 1022489037962669248379370596767610133652264632743914995422849949035287375154623906974122897251<94> × [216412822046004361980395715137454719352773226363197255781300783303235042231315220192042728023443806066747563978461154249694636674510607629700646358269083254866876662050975408723437015610149178332071778488711430677485647032662578486790963099358343494179714028517122047122740270642670745772934959200288863700323874237548847014736682775617034615976011290969484582359385246036381702487960799393917800132883394314849818572939469913624519278286549140926205445022164833681342342486586283991507522053433932472322959468958874117165778791700013504210024004552785836416176606197441100935948967245480412438852890904440529503815789703032546188386829506251<642>]

Index range: 625 – 625 << prev next >>