Compare 2561 vs 2578
| Property | 2561 | 2578 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 131 × 1971 | 21 × 12891 |
| Prime factorization | 13 × 197 | 2 × 1289 |
| Divisors count | 4 | 4 |
| Divisors | 1, 13, 197, 2561 | 1, 2, 1289, 2578 |
| Number of properties | 1 | 1 |
| Semiprimes | 724th | 732nd |
| Roman numberals | MMDLXI | MMDLXXVIII |
| Base 2 | 1010000000012 | 1010000100102 |
| Base 3 | 101112123 | 101121113 |
| Base 4 | 2200014 | 2201024 |
| Base 5 | 402215 | 403035 |
| Base 6 | 155056 | 155346 |
| Base 7 | 103167 | 103427 |
| Base 8 | 50018 | 50228 |
| Base 9 | 34559 | 34749 |
| Base 10 | 256110 | 257810 |
| Base 11 | 1a1911 | 1a3411 |
| Base 12 | 159512 | 15aa12 |
| Base 13 | 122013 | 123413 |
| Base 14 | d0d14 | d2214 |
| Base 15 | b5b15 | b6d15 |
| Base 16 | a0116 | a1216 |