tables > repunit > 21

Base 21 Repunits

Table

Viewing: 531 – 531 << prev next >>

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

531: \[{21^{531}-1\over20}\] 463 × 709 × 3187 × 896447 × 85775383 × 334217419 × 47540111129611360301<20> × 22421315123180382050461<23> × 30929958506284355669683837<26> × 25450021381448750834132998943947<32> × 3599933694931243085497791696053868938364103<43> × 4069884303244892255906748652221598705210600026250088818120235939411704973070877761427035294811<94> × 189768674372027062953702583608922276806713218658654179421249153244025418671453231470680994894401957931235344969176682906300748695787692456391948789210759126838339901748352169118905951568342696628167087940015292285696227712436334302400358141856344303710183769608032349797967278356235298868971449029212137759033311884306771408541581999053504223810529384180089089971907499267485236933433467422350684859641199484199854083672239828376971183<435>

Index range: 531 – 531 << prev next >>