Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 180: | \[{22^{180}-1\over21}\] | 32 × 52 × 132 × 19 × 23 × 31 × 37 × 61 × 97 × 127 × 157 × 181 × 401 × 463 × 631 × 1489 × 6301 × 13591 × 18973 × 19801 × 150901 × 224071 × 245411 × 297613 × 396091 × 468241 × 2581921 × 5966803 × 34090741 × 146213101 × 858794191 × 1850478481 × 18311943313<11> × 723374716321<12> × 1582912225170901<16> × 6444508898190421<16> × 759340066703523121<18> × 5123015754307222951<19> × 30694259777925236834701<23> |