tables > repunit > 21

Base 21 Repunits

Table

Viewing: 561 – 561 << prev next >>

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

561: \[{21^{561}-1\over20}\] 67 × 463 × 38047 × 51239 × 1496749 × 17513875027111<14> × 765464515091513689<18> × 123142104618488763061<21> × 1502097124754084594737<22> × 3955202198062795629622003<25> × 975445747250107665555691903049<30> × 51233569124705721849500009982296618143<38> × 893653232599703974920871369442322429783560168273312923073800591562358852946149890611480777927863456119289243404490761977035905704889551283604368072835558008119<159> × 7341100471045771079321696060935559918730037580512201415916803834817080045488191306615702133748141497615156696957053591245115848474121793177997781176610872964149855533292313085175248702329131007428926281031913562776945179003087736732193060396590889483993717844335005765071723837914468555613414365887075665584859432311157721924231990662850847929370357574434154837861918641186973231998848805887209009<397>

Index range: 561 – 561 << prev next >>