Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
90: | \[{27^{90}-1\over26}\] | 22 × 7 × 112 × 19 × 31 × 37 × 61 × 109 × 181 × 271 × 433 × 541 × 757 × 1621 × 3511 × 4561 × 4591 × 8209 × 19441 × 19927 × 387631 × 451441 × 487891 × 755551 × 927001 × 53825041 × 73321201 × 86548771 × 773618132427345151923061<24> |