tables > repunit > 20

Base 20 Repunits

Table

Viewing: 407 – 407 << prev next >>

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

* 407: \[{20^{407}-1\over19}\] 65269 × 2889957151 × 10778947368421<14> × 383493384240205993228059557962159<33> × [2231115453635152460613432519842744265032874216114258833150359685022677532346216405690250513162315914554518252435896541758087107668595492929135355384153651453878720850872548770314111757605209990300169393820720367295015601007961624586803925628835360439709099422483531290772271884254443900882397758838400466270063998945386333412974247319206358891931031675885561380599626349967678709113037126800265541242336056421588097344025496035631562751999203082239999996108799999999981<469>]

Index range: 407 – 407 << prev next >>