Compare 2545 vs 2551
| Property | 2545 | 2551 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 5091 | 25511 |
| Prime factorization | 5 × 509 | 2551 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 509, 2545 | 1, 2551 |
| Number of properties | 1 | 4 |
| Additive primes | 195th | |
| Primes | 374th | |
| Semiprimes | 720th | |
| Sexy primes (1st member) | 153rd | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDXLV | MMDLI |
| Base 2 | 1001111100012 | 1001111101112 |
| Base 3 | 101110213 | 101111113 |
| Base 4 | 2133014 | 2133134 |
| Base 5 | 401405 | 402015 |
| Base 6 | 154416 | 154516 |
| Base 7 | 102647 | 103037 |
| Base 8 | 47618 | 47678 |
| Base 9 | 34379 | 34449 |
| Base 10 | 254510 | 255110 |
| Base 11 | 1a0411 | 1a0a11 |
| Base 12 | 158112 | 158712 |
| Base 13 | 120a13 | 121313 |
| Base 14 | cdb14 | d0314 |
| Base 15 | b4a15 | b5115 |
| Base 16 | 9f116 | 9f716 |