Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 216: | \[{12^{216}-1\over11}\] | 5 × 7 × 13 × 19 × 29 × 37 × 73 × 89 × 109 × 157 × 193 × 233 × 271 × 433 × 487 × 1657 × 1801 × 2593 × 3889 × 20593 × 39097 × 80749 × 306829 × 2227777 × 2231857 × 42729553 × 47336293 × 3684845809 × 9666387937<10> × 122138321401<12> × 165042892009<12> × 59686188135337<14> × 86769286104133<14> × 182696316061009932535899288044215009<36> × 1060516447732219542536227374989585563393<40> |