Compare 437 vs 449
| Property | 437 | 449 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 191 × 231 | 4491 |
| Prime factorization | 19 × 23 | 449 |
| Divisors count | 4 | 2 |
| Divisors | 1, 19, 23, 437 | 1, 449 |
| Number of properties | 1 | 9 |
| Additive primes | 50th | |
| Chen primes | 61st | |
| Harmonic primes | 33rd | |
| Isolated primes | 42nd | |
| Primes | 87th | |
| Proth primes | 12th | |
| Pythagorean primes | 42nd | |
| Semiprimes | 135th | |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Roman numberals | CDXXXVII | CDXLIX |
| Base 2 | 1101101012 | 1110000012 |
| Base 3 | 1210123 | 1211223 |
| Base 4 | 123114 | 130014 |
| Base 5 | 32225 | 32445 |
| Base 6 | 20056 | 20256 |
| Base 7 | 11637 | 12117 |
| Base 8 | 6658 | 7018 |
| Base 9 | 5359 | 5489 |
| Base 10 | 43710 | 44910 |
| Base 11 | 36811 | 37911 |
| Base 12 | 30512 | 31512 |
| Base 13 | 27813 | 28713 |
| Base 14 | 23314 | 24114 |
| Base 15 | 1e215 | 1ee15 |
| Base 16 | 1b516 | 1c116 |