Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
167: | \[{18^{167}-1\over17}\] | 18784995335047759<17> × 410837730722982607633347170445951007<36> × 16130066136752922910049615835299594860434852120377<50> × 201809622265370122322815253250558457059029482708934610483177126968343262494849092201528264387161236504289943<108> |