Compare 2551 vs 2554
| Property | 2551 | 2554 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 25511 | 21 × 12771 |
| Prime factorization | 2551 | 2 × 1277 |
| Divisors count | 2 | 4 |
| Divisors | 1, 2551 | 1, 2, 1277, 2554 |
| Number of properties | 4 | 1 |
| Additive primes | 195th | |
| Primes | 374th | |
| Semiprimes | 721st | |
| Sexy primes (1st member) | 153rd | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDLI | MMDLIV |
| Base 2 | 1001111101112 | 1001111110102 |
| Base 3 | 101111113 | 101111213 |
| Base 4 | 2133134 | 2133224 |
| Base 5 | 402015 | 402045 |
| Base 6 | 154516 | 154546 |
| Base 7 | 103037 | 103067 |
| Base 8 | 47678 | 47728 |
| Base 9 | 34449 | 34479 |
| Base 10 | 255110 | 255410 |
| Base 11 | 1a0a11 | 1a1211 |
| Base 12 | 158712 | 158a12 |
| Base 13 | 121313 | 121613 |
| Base 14 | d0314 | d0614 |
| Base 15 | b5115 | b5415 |
| Base 16 | 9f716 | 9fa16 |