Compare 255 vs 256
| Property | 255 | 256 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 1 |
| Total factors | 3 | 8 |
| Prime factorization | 31 × 51 × 171 | 28 |
| Prime factorization | 3 × 5 × 17 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 8 | 9 |
| Divisors | 1, 3, 5, 15, 17, 51, 85, 255 | 1, 2, 4, 8, 16, 32, 64, 128, 256 |
| Number of properties | 0 | 0 |
| Roman numberals | CCLV | CCLVI |
| Base 2 | 111111112 | 1000000002 |
| Base 3 | 1001103 | 1001113 |
| Base 4 | 33334 | 100004 |
| Base 5 | 20105 | 20115 |
| Base 6 | 11036 | 11046 |
| Base 7 | 5137 | 5147 |
| Base 8 | 3778 | 4008 |
| Base 9 | 3139 | 3149 |
| Base 10 | 25510 | 25610 |
| Base 11 | 21211 | 21311 |
| Base 12 | 19312 | 19412 |
| Base 13 | 16813 | 16913 |
| Base 14 | 14314 | 14414 |
| Base 15 | 12015 | 12115 |
| Base 16 | ff16 | 10016 |