tables > repunit > 21

Base 21 Repunits

Table

Viewing: 523 – 523 << prev next >>

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

* 523: \[{21^{523}-1\over20}\] 64853 × 2171310546502247<16> × [11776307509186943196723034304570444964861681783211527536258681263666657720790828793680209370974707741103394300346180345195265385615456231762583876415771801955620913216387293086664826559178920316756357168662701000148539157222862565008624854244204073578520445520268903489152564235988175833862534098090759202447143539929365257421270254768909837593490313393214249933949646263391945897466159868328807271565462744374919214684815318086531574460417987925081274358503336434416783627047071786105817241204808008524770825371572520388559088501438873239793281183067857257737201705750026688081601465557137843730200370298932641916147649998033155687984799386030468298078198458414750478013<671>]

Index range: 523 – 523 << prev next >>