Compare 21255 vs 21263
| Property | 21255 | 21263 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 31 × 51 × 131 × 1091 | 111 × 19331 |
| Prime factorization | 3 × 5 × 13 × 109 | 11 × 1933 |
| Divisors count | 16 | 4 |
| Divisors | 1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 21255 | 1, 11, 1933, 21263 |
| Number of properties | 0 | 1 |
| Semiprimes | 5389th | |
| Roman numberals | ||
| Base 2 | 1010011000001112 | 1010011000011112 |
| Base 3 | 10020110203 | 10020111123 |
| Base 4 | 110300134 | 110300334 |
| Base 5 | 11400105 | 11400235 |
| Base 6 | 2422236 | 2422356 |
| Base 7 | 1156537 | 1156647 |
| Base 8 | 514078 | 514178 |
| Base 9 | 321369 | 321459 |
| Base 10 | 2125510 | 2126310 |
| Base 11 | 14a7311 | 14a8011 |
| Base 12 | 1037312 | 1037b12 |
| Base 13 | 98a013 | 98a813 |
| Base 14 | 7a6314 | 7a6b14 |
| Base 15 | 647015 | 647815 |
| Base 16 | 530716 | 530f16 |