Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 212: | \[{14^{212}-1\over13}\] | 3 × 5 × 107 × 197 × 2333 × 24593 × 1035409 × 1360193 × 76717187089<11> × 108342165348412451<18> × 212253211670183419<18> × 7063101861270769169<19> × 370420174412756233251059386112400356602781974950349282143983<60> × 621706882501667922810495761604541141683104558048458520156024442126307968284940541658257510609<93> |