tables > repunit > 21

Base 21 Repunits

Table

Viewing: 393 – 393 << prev next >>

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

* 393: \[{21^{393}-1\over20}\] 463 × 1049 × 14149 × 25939 × 2470162463 × 229027002385831089465739609724278489582787<42> × 13687052074332591601541282383301905745371122445745433886164039445273884190933317364799124290237834799701349135257178899<119> × [155308510122869494358958653038074485428066282563098859408062108551287323855359441839945503281587325632849355651575476001209803913679427309041785377218290497813799612034019923702065510737051251731388165245659845509236188350331510749666119091965255402356860125493197394414590309994547566311632625367640303399751210760695730220783166994791<336>]

Index range: 393 – 393 << prev next >>