Base 27 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 405: | \[{27^{405}-1\over26}\] | 112 × 109 × 181 × 433 × 541 × 757 × 1621 × 3889 × 4561 × 4861 × 8209 × 70957 × 155521 × 285121 × 927001 × 1190701 × 3367981 × 6627097 × 53825041 × 8320154761<10> × 2820618974881<13> × 12557612956332313<17> × 773618132427345151923061<24> × 21835473162448454819220238921<29> × 19149704835029612299033896988868835457<38> × 91417291646945974928758274228233220245160681704964483051455036299673876866846481<80> × [10973531127004080313195498403346419134004351931661318827943650624794705717776293684659100635769344801280340455920850543766676194751139350200128482437049873998829191349561506513588523336352426583140042653935620467552822342212403016769914170523024122660633722152753692529898677865008545644561<290>] |