Compare 21 vs 62
| Property | 21 | 62 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 71 | 21 × 311 |
| Prime factorization | 3 × 7 | 2 × 31 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7, 21 | 1, 2, 31, 62 |
| Number of properties | 1 | 1 |
| Semiprimes | 7th | 22nd |
| Roman numberals | XXI | LXII |
| Base 2 | 101012 | 1111102 |
| Base 3 | 2103 | 20223 |
| Base 4 | 1114 | 3324 |
| Base 5 | 415 | 2225 |
| Base 6 | 336 | 1426 |
| Base 7 | 307 | 1167 |
| Base 8 | 258 | 768 |
| Base 9 | 239 | 689 |
| Base 10 | 2110 | 6210 |
| Base 11 | 1a11 | 5711 |
| Base 12 | 1912 | 5212 |
| Base 13 | 1813 | 4a13 |
| Base 14 | 1714 | 4614 |
| Base 15 | 1615 | 4215 |
| Base 16 | 1516 | 3e16 |