Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 390: | \[{27^{390}-1\over26}\] | 22 × 7 × 112 × 13 × 19 × 31 × 37 × 61 × 79 × 131 × 157 × 181 × 271 × 313 × 757 × 937 × 1171 × 1621 × 2341 × 2887 × 4561 × 6553 × 7333 × 10141 × 16381 × 37441 × 387631 × 398581 × 692641 × 755551 × 797161 × 927001 × 2161927 × 3701101 × 4162861 × 39838501 × 40763971 × 43264261 × 419437201 × 1846794457 × 6079786129<10> × 54975287251<11> × 3785998525531<13> × 56919999055921<14> × 110133112994711<15> × 134825306053231<15> × 2821964307371847613<19> × 5953777759294129441<19> × 105919308797935444986721<24> × 98139929939748977208994554331725481<35> × 126604556300856229489407320894384207524662780421<48> × 21792725151950817987750812859452230824060441157987363138641144661<65> × 64861780366852187953533038456016327227516423236686360224840876359157666103175914919249930947419798065351926088321<113> |