Compare 2540 vs 2551
| Property | 2540 | 2551 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 51 × 1271 | 25511 |
| Prime factorization | 2 × 2 × 5 × 127 | 2551 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540 | 1, 2551 |
| Number of properties | 0 | 4 |
| Additive primes | 195th | |
| Primes | 374th | |
| Sexy primes (1st member) | 153rd | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDXL | MMDLI |
| Base 2 | 1001111011002 | 1001111101112 |
| Base 3 | 101110023 | 101111113 |
| Base 4 | 2132304 | 2133134 |
| Base 5 | 401305 | 402015 |
| Base 6 | 154326 | 154516 |
| Base 7 | 102567 | 103037 |
| Base 8 | 47548 | 47678 |
| Base 9 | 34329 | 34449 |
| Base 10 | 254010 | 255110 |
| Base 11 | 19aa11 | 1a0a11 |
| Base 12 | 157812 | 158712 |
| Base 13 | 120513 | 121313 |
| Base 14 | cd614 | d0314 |
| Base 15 | b4515 | b5115 |
| Base 16 | 9ec16 | 9f716 |