Compare 16 vs 57
| Property | 16 | 57 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 1 | 2 | 
| Total factors | 4 | 2 | 
| Prime factorization | 24 | 31 × 191 | 
| Prime factorization | 2 × 2 × 2 × 2 | 3 × 19 | 
| Divisors count | 5 | 4 | 
| Divisors | 1, 2, 4, 8, 16 | 1, 3, 19, 57 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 20th | |
| Roman numberals | XVI | LVII | 
| Base 2 | 100002 | 1110012 | 
| Base 3 | 1213 | 20103 | 
| Base 4 | 1004 | 3214 | 
| Base 5 | 315 | 2125 | 
| Base 6 | 246 | 1336 | 
| Base 7 | 227 | 1117 | 
| Base 8 | 208 | 718 | 
| Base 9 | 179 | 639 | 
| Base 10 | 1610 | 5710 | 
| Base 11 | 1511 | 5211 | 
| Base 12 | 1412 | 4912 | 
| Base 13 | 1313 | 4513 | 
| Base 14 | 1214 | 4114 | 
| Base 15 | 1115 | 3c15 | 
| Base 16 | 1016 | 3916 |