Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[{14^{208}-1\over13}\] | 3 × 5 × 13 × 17 × 41 × 53 × 79 × 157 × 197 × 911 × 937 × 1873 × 5393 × 7307 × 16097 × 100621 × 122929 × 178616881 × 7515058721<10> × 13119535729<11> × 29914249171<11> × 24265055276489<14> × 3174700242129313<16> × 337803644207780297<18> × 1849102545912795649305870639902057<34> × 4165538330026374838424925657381613073<37> × 81859053656471474851059493976991483841<38> |