Compare 253 vs 256
| Property | 253 | 256 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 8 |
| Prime factorization | 111 × 231 | 28 |
| Prime factorization | 11 × 23 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 4 | 9 |
| Divisors | 1, 11, 23, 253 | 1, 2, 4, 8, 16, 32, 64, 128, 256 |
| Number of properties | 1 | 0 |
| Semiprimes | 81st | |
| Roman numberals | CCLIII | CCLVI |
| Base 2 | 111111012 | 1000000002 |
| Base 3 | 1001013 | 1001113 |
| Base 4 | 33314 | 100004 |
| Base 5 | 20035 | 20115 |
| Base 6 | 11016 | 11046 |
| Base 7 | 5117 | 5147 |
| Base 8 | 3758 | 4008 |
| Base 9 | 3119 | 3149 |
| Base 10 | 25310 | 25610 |
| Base 11 | 21011 | 21311 |
| Base 12 | 19112 | 19412 |
| Base 13 | 16613 | 16913 |
| Base 14 | 14114 | 14414 |
| Base 15 | 11d15 | 12115 |
| Base 16 | fd16 | 10016 |