Compare 449 vs 451
| Property | 449 | 451 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4491 | 111 × 411 |
| Prime factorization | 449 | 11 × 41 |
| Divisors count | 2 | 4 |
| Divisors | 1, 449 | 1, 11, 41, 451 |
| Number of properties | 9 | 1 |
| Additive primes | 50th | |
| Chen primes | 61st | |
| Harmonic primes | 33rd | |
| Isolated primes | 42nd | |
| Primes | 87th | |
| Proth primes | 12th | |
| Pythagorean primes | 42nd | |
| Semiprimes | 139th | |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Roman numberals | CDXLIX | CDLI |
| Base 2 | 1110000012 | 1110000112 |
| Base 3 | 1211223 | 1212013 |
| Base 4 | 130014 | 130034 |
| Base 5 | 32445 | 33015 |
| Base 6 | 20256 | 20316 |
| Base 7 | 12117 | 12137 |
| Base 8 | 7018 | 7038 |
| Base 9 | 5489 | 5519 |
| Base 10 | 44910 | 45110 |
| Base 11 | 37911 | 38011 |
| Base 12 | 31512 | 31712 |
| Base 13 | 28713 | 28913 |
| Base 14 | 24114 | 24314 |
| Base 15 | 1ee15 | 20115 |
| Base 16 | 1c116 | 1c316 |