Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 216: | \[{13^{216}-1\over12}\] | 23 × 33 × 5 × 7 × 17 × 19 × 37 × 61 × 73 × 109 × 157 × 163 × 271 × 433 × 937 × 1297 × 4177 × 14281 × 28393 × 181297 × 428041 × 650971 × 904663 × 1471069 × 1609669 × 14799457 × 16764949 × 815702161 × 762615992953<12> × 4220430741361<13> × 57583418699431<14> × 9818892432332713<16> × 1639740678532467913<19> × 3156176124992605532414981091253561<34> × 6096582879979778491043807754784633<34> |