Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 398: | \[{27^{398}-1\over26}\] | 22 × 7 × 2389 × 11941 × 29851 × 188653 × 5484043 × 1360648969 × 73783203733<11> × 13192248510319<14> × 663447176016922740823<21> × 33475617898267731167713<23> × 293366430131930353811221418233<30> × 6630293477484412123587586871701728361<37> × 110902970953020998760372036298330712066931713186888935429<57> × 338879760224386957015106433658493456637179530661897907487<57> × 167725321489096000055336949742738378351010268990525380470313869<63> × 8845057746607360101578544062042919811228803419862160327100045773<64> × 139355814079198605770454989794467080215428937264175259260184574197954802668961<78> × 1689478606352600260310382688294322005349159187601803816212045717030717783562666965221<85> |