Compare 438 vs 449
| Property | 438 | 449 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 731 | 4491 |
| Prime factorization | 2 × 3 × 73 | 449 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 73, 146, 219, 438 | 1, 449 |
| Number of properties | 0 | 9 |
| Additive primes | 50th | |
| Chen primes | 61st | |
| Harmonic primes | 33rd | |
| Isolated primes | 42nd | |
| Primes | 87th | |
| Proth primes | 12th | |
| Pythagorean primes | 42nd | |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Roman numberals | CDXXXVIII | CDXLIX |
| Base 2 | 1101101102 | 1110000012 |
| Base 3 | 1210203 | 1211223 |
| Base 4 | 123124 | 130014 |
| Base 5 | 32235 | 32445 |
| Base 6 | 20106 | 20256 |
| Base 7 | 11647 | 12117 |
| Base 8 | 6668 | 7018 |
| Base 9 | 5369 | 5489 |
| Base 10 | 43810 | 44910 |
| Base 11 | 36911 | 37911 |
| Base 12 | 30612 | 31512 |
| Base 13 | 27913 | 28713 |
| Base 14 | 23414 | 24114 |
| Base 15 | 1e315 | 1ee15 |
| Base 16 | 1b616 | 1c116 |