Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 500: | \[{9^{500}-1\over8}\] | 22 × 54 × 112 × 41 × 61 × 101 × 151 × 251 × 1181 × 2251 × 3001 × 8501 × 8951 × 100501 × 133201 × 150001 × 391151 × 394201 × 22996651 × 42521761 × 358291751 × 14781691751<11> × 18055139801<11> × 61070817601<11> × 292503690001<12> × 391632555001<12> × 124254307278001<15> × 989947158849251<15> × 36502594199089001<17> × 61459926512826500975801<23> × 2278135721427929786778229917312351656251<40> × 16758435627223658802353128980509765910556138571016687543698189838663420001<74> × 44050683759088870671606092417359276457716790869092450220552462754696400772540808635231309224932395863810328591947365713085797958399658805564674196654353115001<158> |