Compare 2555 vs 2561
| Property | 2555 | 2561 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 71 × 731 | 131 × 1971 |
| Prime factorization | 5 × 7 × 73 | 13 × 197 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 7, 35, 73, 365, 511, 2555 | 1, 13, 197, 2561 |
| Number of properties | 0 | 1 |
| Semiprimes | 724th | |
| Roman numberals | MMDLV | MMDLXI |
| Base 2 | 1001111110112 | 1010000000012 |
| Base 3 | 101111223 | 101112123 |
| Base 4 | 2133234 | 2200014 |
| Base 5 | 402105 | 402215 |
| Base 6 | 154556 | 155056 |
| Base 7 | 103107 | 103167 |
| Base 8 | 47738 | 50018 |
| Base 9 | 34489 | 34559 |
| Base 10 | 255510 | 256110 |
| Base 11 | 1a1311 | 1a1911 |
| Base 12 | 158b12 | 159512 |
| Base 13 | 121713 | 122013 |
| Base 14 | d0714 | d0d14 |
| Base 15 | b5515 | b5b15 |
| Base 16 | 9fb16 | a0116 |