Compare 2561 vs 2563
| Property | 2561 | 2563 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 1971 | 111 × 2331 |
| Prime factorization | 13 × 197 | 11 × 233 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 197, 2561 | 1, 11, 233, 2563 |
| Number of properties | 1 | 1 |
| Semiprimes | 724th | 725th |
| Roman numberals | MMDLXI | MMDLXIII |
| Base 2 | 1010000000012 | 1010000000112 |
| Base 3 | 101112123 | 101112213 |
| Base 4 | 2200014 | 2200034 |
| Base 5 | 402215 | 402235 |
| Base 6 | 155056 | 155116 |
| Base 7 | 103167 | 103217 |
| Base 8 | 50018 | 50038 |
| Base 9 | 34559 | 34579 |
| Base 10 | 256110 | 256310 |
| Base 11 | 1a1911 | 1a2011 |
| Base 12 | 159512 | 159712 |
| Base 13 | 122013 | 122213 |
| Base 14 | d0d14 | d1114 |
| Base 15 | b5b15 | b5d15 |
| Base 16 | a0116 | a0316 |