Base 12 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
121: | \[{12^{121}-1\over11}\] | 112 × 23 × 7019 × 266981089 × 9971358563<10> × 13448069471<11> × 36801041190212623908408703917306494049155113<44> × 134584409757064878915359991836917880675451536595733<51> |