Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 720: | \[{14^{720}-1\over13}\] | 33 × 52 × 11 × 17 × 19 × 31 × 37 × 41 × 61 × 71 × 73 × 101 × 181 × 197 × 211 × 241 × 397 × 811 × 937 × 1033 × 1061 × 1171 × 2161 × 2851 × 3121 × 3761 × 4241 × 5393 × 15511 × 16097 × 18973 × 19489 × 52561 × 61001 × 132049 × 302581 × 698521 × 722833 × 1383881 × 1948981 × 4020031 × 51111761 × 154604113 × 288392833 × 825039041 × 1475750641 × 59203797481<11> × 1411198114321<13> × 28364868198001<14> × 56693904845761<14> × 50099966224441291<17> × 2189065053896955781<19> × 799837378328194512391<21> × 45555678436399855012801<23> × 1355671197066156221653681<25> × 44030132882434030723817977<26> × 80123309993635647613346281<26> × 104264534567640462886573921<27> × 21501568166958140736048377191561<32> × 226779217011608596452697676019841<33> × 286910778291415134011822016299692964922241<42> × 35822941945875248527208153841553014195737966977<47> × 3517493489760618301154101534517484736233411944970523733451064290601<67> × [3535767455956787151204485337969866824881720776265795916510731411303201351943314585750599771772681969211328814612054442364433307699167926172500733498228150958399999917375336893716358618184814346853841<199>] |