Compare 255 vs 261
| Property | 255 | 261 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 31 × 51 × 171 | 32 × 291 |
| Prime factorization | 3 × 5 × 17 | 3 × 3 × 29 |
| Divisors count | 8 | 6 |
| Divisors | 1, 3, 5, 15, 17, 51, 85, 255 | 1, 3, 9, 29, 87, 261 |
| Number of properties | 0 | 0 |
| Roman numberals | CCLV | CCLXI |
| Base 2 | 111111112 | 1000001012 |
| Base 3 | 1001103 | 1002003 |
| Base 4 | 33334 | 100114 |
| Base 5 | 20105 | 20215 |
| Base 6 | 11036 | 11136 |
| Base 7 | 5137 | 5227 |
| Base 8 | 3778 | 4058 |
| Base 9 | 3139 | 3209 |
| Base 10 | 25510 | 26110 |
| Base 11 | 21211 | 21811 |
| Base 12 | 19312 | 19912 |
| Base 13 | 16813 | 17113 |
| Base 14 | 14314 | 14914 |
| Base 15 | 12015 | 12615 |
| Base 16 | ff16 | 10516 |