Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 171: | \[{14^{171}-1\over13}\] | 211 × 229 × 397 × 18973 × 428299 × 5231917 × 37573673070907<14> × 459715689149916492091<21> × 979597292881313378323<21> × 1725839313594069799295455569880861<34> × 77539436470813023431659196734275560557<38> × 405093093862369921549566771029325973225760449<45> |