Compare 2543 vs 2549
| Property | 2543 | 2549 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25431 | 25491 |
| Prime factorization | 2543 | 2549 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2543 | 1, 2549 |
| Number of properties | 7 | 9 |
| Chen primes | 224th | 225th |
| Cousin primes (2nd member) | 77th | |
| Harmonic primes | 140th | |
| Isolated primes | 229th | |
| Long primes | 147th | 148th |
| Primes | 372nd | 373rd |
| Pythagorean primes | 182nd | |
| Sexy primes (1st member) | 152nd | |
| Sexy primes (2nd member) | 152nd | |
| Sophie germain primes | 73rd | 74th |
| Super primes | 74th | |
| Twin primes (1st member) | 73rd | |
| Roman numberals | MMDXLIII | MMDXLIX |
| Base 2 | 1001111011112 | 1001111101012 |
| Base 3 | 101110123 | 101111023 |
| Base 4 | 2132334 | 2133114 |
| Base 5 | 401335 | 401445 |
| Base 6 | 154356 | 154456 |
| Base 7 | 102627 | 103017 |
| Base 8 | 47578 | 47658 |
| Base 9 | 34359 | 34429 |
| Base 10 | 254310 | 254910 |
| Base 11 | 1a0211 | 1a0811 |
| Base 12 | 157b12 | 158512 |
| Base 13 | 120813 | 121113 |
| Base 14 | cd914 | d0114 |
| Base 15 | b4815 | b4e15 |
| Base 16 | 9ef16 | 9f516 |