tables > repunit > 21

Base 21 Repunits

Table

Viewing: 259 – 259 << prev next >>

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

* 259: \[{21^{259}-1\over20}\] 43 × 631 × 3319 × 31081 × 1681762703 × 7995105693353508392600118377453099<34> × [3785980420959871073502317924931706811051522283950040325626067016605390783740586159730373127516202769748478565327089487688357591821310650379008828398768766182167958354647788167189981254930469348210183768379038527939923191356636499162536191728092839537006358393155974957744686621721231761<286>]

Index range: 259 – 259 << prev next >>