tables > repunit > 21

Base 21 Repunits

Table

Viewing: 776 – 776 << prev next >>

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

* 776: \[{21^{776}-1\over20}\] 23 × 11 × 13 × 17 × 389 × 1553 × 1747 × 3881 × 62081 × 97241 × 157141 × 2797481 × 4006489 × 298027069 × 188495925509<12> × 99141858256733<14> × [11680641656356051292901074851143973139268965122403257813077533789019782553695237325402189156476383766646953724979973149434934007257416065407321747100033867513685539868310145555412090719861204672711249498933712573727213190380484504740012592477010340180295066890246288033222944385397937778370434814804646064685525431182726124562225652241029428367788511729649845558276457530870728035893604204324174330504787469604528829751329364949281560077575795015556638129541195077587660680106740544811720474230546747952687308854334905332005699135537228960643857049372605812772923787534300546424596050829236277491304209794432311274382784935434740720271065443510089331948772621552149581548678999693174659428160763296052198533710706929096218059231827151918601067673077526466558119865946516122014708706793966439541173642778678306140259235571262040931161362620558270384035841268344129957366851238003978826617937721161721392022849716578482702097091020863604677263376839<947>]

Index range: 776 – 776 << prev next >>