Compare 16 vs 51
| Property | 16 | 51 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 24 | 31 × 171 |
| Prime factorization | 2 × 2 × 2 × 2 | 3 × 17 |
| Divisors count | 5 | 4 |
| Divisors | 1, 2, 4, 8, 16 | 1, 3, 17, 51 |
| Number of properties | 0 | 1 |
| Semiprimes | 18th | |
| Roman numberals | XVI | LI |
| Base 2 | 100002 | 1100112 |
| Base 3 | 1213 | 12203 |
| Base 4 | 1004 | 3034 |
| Base 5 | 315 | 2015 |
| Base 6 | 246 | 1236 |
| Base 7 | 227 | 1027 |
| Base 8 | 208 | 638 |
| Base 9 | 179 | 569 |
| Base 10 | 1610 | 5110 |
| Base 11 | 1511 | 4711 |
| Base 12 | 1412 | 4312 |
| Base 13 | 1313 | 3c13 |
| Base 14 | 1214 | 3914 |
| Base 15 | 1115 | 3615 |
| Base 16 | 1016 | 3316 |