tables > repunit > 21

Base 21 Repunits

Table

Viewing: 886 – 886 << prev next >>

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

* 886: \[{21^{886}-1\over20}\] 2 × 11 × 887 × 13291 × 1978439 × 44442554743<11> × 65901949639<11> × 168567543407<12> × 33508750567774384811<20> × [180471672882760767052715533064959669779102312280369008226308663374223323403657768624125854279835216462670032312514565559141657657225134105418352545212041623601661575872057374655186922989575760253847818930515721514799267306312967377152366657237650908386583012427120198956548803769515314764867698724198995492801515663369454791469970454430864737729429621427077047058416317653910685593975569232179158032338868904390100951793480533353486266412094127769954630953730765833867374020269365946082160302751024733040906745967751887972891177849738023128154871322425875915079377370288936731846310166277819141332754487142062183298308635302658264278751541797230745830400474389263343700417854846914765927024792059679978237073279200451951730203990673631773044521813029364526144716589452467653562283364209455726228048605013282110510570498293091129115222372212967988133996629920686479097450185203065440456444460099163169716568516644044727940210482908496344786071294351566789412972435785750158671413689982979403072993024518600373275670158731757324853110474342594116476339726566031128242437985486341666972388425454173439189269<1104>]

Index range: 886 – 886 << prev next >>