Base 9 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 106: | \[{9^{106}-1\over8}\] | 2 × 5 × 107 × 24169 × 90313 × 78719947 × 609422621 × 1481588501 × 61557605176233223<17> × 3747607031112307667<19> × 460740683381672021327601001<27> |