Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 44: | \[{17^{44}-1\over16}\] | 22 × 32 × 5 × 23 × 29 × 89 × 947 × 25741 × 87415373 × 256152733 × 6901823633<10> × 2141993519227<13> |