Compare 22 vs 51
| Property | 22 | 51 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 111 | 31 × 171 |
| Prime factorization | 2 × 11 | 3 × 17 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 11, 22 | 1, 3, 17, 51 |
| Number of properties | 1 | 1 |
| Semiprimes | 8th | 18th |
| Roman numberals | XXII | LI |
| Base 2 | 101102 | 1100112 |
| Base 3 | 2113 | 12203 |
| Base 4 | 1124 | 3034 |
| Base 5 | 425 | 2015 |
| Base 6 | 346 | 1236 |
| Base 7 | 317 | 1027 |
| Base 8 | 268 | 638 |
| Base 9 | 249 | 569 |
| Base 10 | 2210 | 5110 |
| Base 11 | 2011 | 4711 |
| Base 12 | 1a12 | 4312 |
| Base 13 | 1913 | 3c13 |
| Base 14 | 1814 | 3914 |
| Base 15 | 1715 | 3615 |
| Base 16 | 1616 | 3316 |