tables > repunit > 21

Base 21 Repunits

Table

Viewing: 688 – 688 << prev next >>

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

* 688: \[{21^{688}-1\over20}\] 24 × 11 × 13 × 17 × 173 × 15739 × 26833 × 62897 × 97241 × 126851 × 300673 × 326113 × 964577 × 4818409 × 295931677 × 11665928381<11> × 169367548429<12> × 256059424793<12> × 1163308526467<13> × 1229778870010013<16> × 478811691676843729951<21> × 35842614220783025524408588074144786493150233831596714503<56> × 56832351855909996916126094373146668608682666750117601137022471619056029<71> × 6639608372316787384861269747177211151243332673282842489789512269597303320793478960340706129<91> × 29763693395891349180130772313072711823692219500593987964959651689034943459709549861376931638280171156028038277721081<116> × [5861084960584514368321287269434391650539074975540485711383104307037931269730372704838010585797827629255071580068606840744094723482079097670118513622714910376450093308394466699743824651978197246145071685402284165642930794560294605169013085865189299494976791955195777541095430720515702606783548673508991451824291414354122406568098806200409043930566448610187948918521190309878459368137978364266995790722433249372251684270788402028348961<433>]

Index range: 688 – 688 << prev next >>