Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
90: | \[{22^{90}-1\over21}\] | 32 × 132 × 19 × 23 × 31 × 61 × 127 × 463 × 631 × 13591 × 19801 × 224071 × 245411 × 297613 × 396091 × 2581921 × 5966803 × 858794191 × 1850478481 × 5123015754307222951<19> × 30694259777925236834701<23> |