Compare 2561 vs 2566
| Property | 2561 | 2566 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 1971 | 21 × 12831 |
| Prime factorization | 13 × 197 | 2 × 1283 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 197, 2561 | 1, 2, 1283, 2566 |
| Number of properties | 1 | 1 |
| Semiprimes | 724th | 726th |
| Roman numberals | MMDLXI | MMDLXVI |
| Base 2 | 1010000000012 | 1010000001102 |
| Base 3 | 101112123 | 101120013 |
| Base 4 | 2200014 | 2200124 |
| Base 5 | 402215 | 402315 |
| Base 6 | 155056 | 155146 |
| Base 7 | 103167 | 103247 |
| Base 8 | 50018 | 50068 |
| Base 9 | 34559 | 34619 |
| Base 10 | 256110 | 256610 |
| Base 11 | 1a1911 | 1a2311 |
| Base 12 | 159512 | 159a12 |
| Base 13 | 122013 | 122513 |
| Base 14 | d0d14 | d1414 |
| Base 15 | b5b15 | b6115 |
| Base 16 | a0116 | a0616 |