Compare 2561 vs 2564
| Property | 2561 | 2564 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 131 × 1971 | 22 × 6411 |
| Prime factorization | 13 × 197 | 2 × 2 × 641 |
| Divisors count | 4 | 6 |
| Divisors | 1, 13, 197, 2561 | 1, 2, 4, 641, 1282, 2564 |
| Number of properties | 1 | 0 |
| Semiprimes | 724th | |
| Roman numberals | MMDLXI | MMDLXIV |
| Base 2 | 1010000000012 | 1010000001002 |
| Base 3 | 101112123 | 101112223 |
| Base 4 | 2200014 | 2200104 |
| Base 5 | 402215 | 402245 |
| Base 6 | 155056 | 155126 |
| Base 7 | 103167 | 103227 |
| Base 8 | 50018 | 50048 |
| Base 9 | 34559 | 34589 |
| Base 10 | 256110 | 256410 |
| Base 11 | 1a1911 | 1a2111 |
| Base 12 | 159512 | 159812 |
| Base 13 | 122013 | 122313 |
| Base 14 | d0d14 | d1214 |
| Base 15 | b5b15 | b5e15 |
| Base 16 | a0116 | a0416 |