tables > repunit > 21

Base 21 Repunits

Table

Viewing: 627 – 627 << prev next >>

(available: 0-999)

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

* 627: \[{21^{627}-1\over20}\] 67 × 419 × 463 × 8779 × 304609 × 12061389013<11> × 17513875027111<14> × 54921106624003<14> × 698778642379357<15> × 3955202198062795629622003<25> × 1244541772187848099210936765314595053007129<43> × [32488533444474748429097762128834648665461793264269052039618788251577267327920042082097438138462106295033577482853888654925901341523332661531021123172375196712064529620089795372849082842819274218191297678350283693407940847<221>] × [11930082768719669476129212857998729739257033041762581055497819392776531773471557290122416149438746999256049569689640172234771912970147338053650961332714462199627650639902119501137626157565435341930526341245258412258259408374193278454540261468234688757636696297863033510816898111519685755035711608021547378351776027600503190637981715985881697160039640265092167002025056710911065379618822373067346494241260659865825135644591098544715730515582808355706700760404705928615335219<473>]

Index range: 627 – 627 << prev next >>