tables > repunit > 21

Base 21 Repunits

Table

Viewing: 514 – 514 << prev next >>

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

* 514: \[{21^{514}-1\over20}\] 2 × 11 × 1543 × 13492878999625492861<20> × 816907714221776954808949<24> × [395508438299961331714853927525280405888700833474694215844563307687510381666455546364443485900829769022069747509842511680294081480266223733376948090851052158987672143058069936295769787003688063367096399456696449989614212187461671056964108015710549443186904639442557532596053314470484135770795563720568683501135486173<315>] × 14108002046215527900061683464788268967952588195606636307790711447428366092254194009147154284145086621670807968260316203957201075914147378025742999191071168362446114588547723287571717296684898189276850476224255525310319266708486704781046737122107517556718536192058803911817773003605287896321034987283303074840367229507<317>

Index range: 514 – 514 << prev next >>