Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 384: | \[{27^{384}-1\over26}\] | 28 × 5 × 7 × 17 × 19 × 37 × 41 × 73 × 97 × 193 × 577 × 757 × 769 × 1153 × 6481 × 7297 × 64513 × 68737 × 76801 × 96769 × 280321 × 530713 × 15687169 × 21523361 × 96948097 × 339601921 × 602627329 × 1418632417 × 24127552321<11> × 282429005041<12> × 3167109739009<13> × 56227703611393<14> × 70613232600577<14> × 77826286120321<14> × 926510094425921<15> × 2742235226781697<16> × 267037263019450369<18> × 185901652872784317405136897<27> × 2492798330262060062236523521<28> × 80329587759500549712086601217<29> × 1716841910146256242328924544641<31> × 18192836590961015953625348814337<32> × 81754966841140318493187568203841<32> × 358294686971605247257324400220810330552461569<45> × 214587760466666910207423696069727378228686451427318417987881798249097349428912722188307969<90> |