Compare 10 vs 51
| Property | 10 | 51 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 51 | 31 × 171 |
| Prime factorization | 2 × 5 | 3 × 17 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 5, 10 | 1, 3, 17, 51 |
| Number of properties | 1 | 1 |
| Semiprimes | 4th | 18th |
| Roman numberals | X | LI |
| Base 2 | 10102 | 1100112 |
| Base 3 | 1013 | 12203 |
| Base 4 | 224 | 3034 |
| Base 5 | 205 | 2015 |
| Base 6 | 146 | 1236 |
| Base 7 | 137 | 1027 |
| Base 8 | 128 | 638 |
| Base 9 | 119 | 569 |
| Base 10 | 1010 | 5110 |
| Base 11 | a11 | 4711 |
| Base 12 | a12 | 4312 |
| Base 13 | a13 | 3c13 |
| Base 14 | a14 | 3914 |
| Base 15 | a15 | 3615 |
| Base 16 | a16 | 3316 |