tables > repunit > 20

Base 20 Repunits

Table

Viewing: 401 – 401 << prev next >>

(available: 0-999)

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

* 401: \[{20^{401}-1\over19}\] 3209 × 393589912981<12> × 480696071321<12> × 12513549281685019<17> × [3577749275871804831821025665251799169538346225319876080895044891605738067905278890694829497720147390061130692777770513270222056091384646946947969553406265272371605690954088289958562919712270260202429283081659753553617549891297008198954836473763872939060020562098351852068029296475504655941301686483336453728061360517925287757291797099629483487079811364593870284244899070101922097391804245787091692532053578813293513055421329157085997800610952433768528839094401112922454398758051<478>]

Index range: 401 – 401 << prev next >>