Compare 2543 vs 2555
| Property | 2543 | 2555 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 25431 | 51 × 71 × 731 |
| Prime factorization | 2543 | 5 × 7 × 73 |
| Divisors count | 2 | 8 |
| Divisors | 1, 2543 | 1, 5, 7, 35, 73, 365, 511, 2555 |
| Number of properties | 7 | 0 |
| Chen primes | 224th | |
| Cousin primes (2nd member) | 77th | |
| Isolated primes | 229th | |
| Long primes | 147th | |
| Primes | 372nd | |
| Sexy primes (1st member) | 152nd | |
| Sophie germain primes | 73rd | |
| Roman numberals | MMDXLIII | MMDLV |
| Base 2 | 1001111011112 | 1001111110112 |
| Base 3 | 101110123 | 101111223 |
| Base 4 | 2132334 | 2133234 |
| Base 5 | 401335 | 402105 |
| Base 6 | 154356 | 154556 |
| Base 7 | 102627 | 103107 |
| Base 8 | 47578 | 47738 |
| Base 9 | 34359 | 34489 |
| Base 10 | 254310 | 255510 |
| Base 11 | 1a0211 | 1a1311 |
| Base 12 | 157b12 | 158b12 |
| Base 13 | 120813 | 121713 |
| Base 14 | cd914 | d0714 |
| Base 15 | b4815 | b5515 |
| Base 16 | 9ef16 | 9fb16 |