tables > repunit > 21

Base 21 Repunits

Table

Viewing: 347 – 347 << prev next >>

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

* 347: \[{21^{347}-1\over20}\] 13187 × [2448608038046411671311751020779235203891205445787137953175046546127878930067100646629134780024926608313494698820725304665020847972089420802975954391659925621278019053040270570570610047123994080869494030440005311097389336345997119354506855774906360764949772803906728383662724937263170577198691136527083740170804786948260844237648860195891465468691641063819471794106594811411781054232159705580863307668846326752101535658799771405743059042601494611362494941<454>]

Index range: 347 – 347 << prev next >>