tables > repunit > 21

Base 21 Repunits

Table

Viewing: 725 – 725 << prev next >>

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

* 725: \[{21^{725}-1\over20}\] 52 × 59 × 40841 × 1504231 × 2031851 × 1103704099 × 246763300513<12> × 687613372491653<15> × 27385718497004633851<20> × 10560867746962116514771<23> × 724494883434061394936465251<27> × 21933305517206008074555499460677419485784113293205521<53> × 33516108735906048319408808055288256871397516473638732084022278909501<68> × [382621722005510618226830537989090235753380980601791823400028401385037659217454489577497338737309610194055112696296809110797367276330585748595423728566339656237394127404490493260181989523259041009238629280934853002711596331075347077965941925047985874266690984297834947326844283803231228574061853766025279919374966378976383266157373852687654345439115598215605181328731662590077124308649131972147706724135535371485387565367096441412013723561355512901468612922062421283140927805832969626707005934266771846556577913367998867001166895033772989076380014997053640633234982392571587244455162951251294495933802559601562121865186125074882149264585378409435324744871813155608917499616458717355350599677988554127887758131831851<714>]

Index range: 725 – 725 << prev next >>