Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{14^{420}-1\over13}\] | 32 × 52 × 11 × 292 × 31 × 37 × 43 × 61 × 71 × 101 × 113 × 197 × 211 × 281 × 421 × 463 × 547 × 811 × 1033 × 1061 × 1597 × 2851 × 3361 × 3761 × 10333 × 15511 × 20161 × 22961 × 176597 × 192781 × 560281 × 1383881 × 1948981 × 2985431 × 7027567 × 7635181 × 8108731 × 2239000891 × 12471556693<11> × 15697516297<11> × 131147620297<12> × 169104974081<12> × 416104481521<12> × 179266059891241<15> × 461536194267492961<18> × 2189065053896955781<19> × 8999281905501310711<19> × 1153528236782084716841<22> × 53088969266066840356181<23> × 2984619585279628795345143571<28> × 14035532684188413634735352583661<32> × 1071849194969730233740310400305054881<37> × 1325735305253077646619978407581074191011<40> × 47214468690349222083432475748011658340301<41> |