Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 205: | \[{13^{205}-1\over12}\] | 1231 × 3691 × 30941 × 6740847065723<13> × 143207110374732650171977021<27> × 58047259977349384372529747126587<32> × 24143973887756644044975508681287099753749106936434931077112556939919141306344436936664679611056193043460108134516840527516887040276572835674390161<146> |