tables > repunit > 21

Base 21 Repunits

Table

Viewing: 442 – 442 << prev next >>

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

442: \[{21^{442}-1\over20}\] 2 × 11 × 79 × 443 × 11969 × 189437 × 516094151 × 548396473 × 8077975881587<13> × 7021471715414521<16> × 114089969144083169<18> × 1502097124754084594737<22> × 329870879538394852145879<24> × 4090124773709694280141309<25> × 26258430201102267069846036102373770869240984222585574648494619254267058300262510269018206138403970279078625719583692170248590988369887886079118741468647833915883351981054548740587279115158510329910843775291606775202877<218> × 77459205653763115874746307652639778330254018488187299966049869972087597685540351087855208211809428128603897091569902754623063016688842307328887344078983645935147307200956738059183250464978104838459887184971890849148071<218>

Index range: 442 – 442 << prev next >>