tables > repunit > 21

Base 21 Repunits

Table

Viewing: 431 – 431 << prev next >>

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

* 431: \[{21^{431}-1\over20}\] [37625825296433936163716797475090477221068179616021465176316481643417094268653878487267865874891818341934840802479584546013224397624774519191291127856699678348570133786291840624937935981338306774319673561880459447605331011738227190132108294817786750314767292433330475743797260155453879531993911875239252192465508027116281320108699037489894480414228361141305759022718539427463534128051686766311781038178968566786258393501902822537132493119943325950468347466984836735312861638903832125680892372285976276345687165305891078725380620640343688293029085070902328718665217371731<569>]

Index range: 431 – 431 << prev next >>