Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 520: | \[{14^{520}-1\over13}\] | 3 × 52 × 11 × 13 × 41 × 53 × 71 × 79 × 101 × 131 × 157 × 197 × 521 × 911 × 937 × 1061 × 1873 × 2081 × 3761 × 7307 × 61001 × 100621 × 122929 × 698521 × 1383881 × 1812721 × 51111761 × 89590931 × 178616881 × 548055041 × 4729897901<10> × 12580866481<11> × 29914249171<11> × 24265055276489<14> × 154160620391311<15> × 337803644207780297<18> × 3374957962330190476351801<25> × 166520250722742520319219921<27> × 1849102545912795649305870639902057<34> × 8411347582936206309444183428167163113285171<43> × 22680353209588479397148002410448316947924881243136869082364939833669535417616635714639483537194332281<101> × [10437075436173753063587722968587486516835753288780508129938324067179301759776060776231349876109465749347974848345963265622179801907698284167924150586402081602319109782013985465837641<182>] |