Compare 449 vs 453
| Property | 449 | 453 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 4491 | 31 × 1511 |
| Prime factorization | 449 | 3 × 151 |
| Divisors count | 2 | 4 |
| Divisors | 1, 449 | 1, 3, 151, 453 |
| 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 | 140th | |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Roman numberals | CDXLIX | CDLIII |
| Base 2 | 1110000012 | 1110001012 |
| Base 3 | 1211223 | 1212103 |
| Base 4 | 130014 | 130114 |
| Base 5 | 32445 | 33035 |
| Base 6 | 20256 | 20336 |
| Base 7 | 12117 | 12157 |
| Base 8 | 7018 | 7058 |
| Base 9 | 5489 | 5539 |
| Base 10 | 44910 | 45310 |
| Base 11 | 37911 | 38211 |
| Base 12 | 31512 | 31912 |
| Base 13 | 28713 | 28b13 |
| Base 14 | 24114 | 24514 |
| Base 15 | 1ee15 | 20315 |
| Base 16 | 1c116 | 1c516 |