Compare 331 vs 449
| Property | 331 | 449 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3311 | 4491 |
| Prime factorization | 331 | 449 |
| Divisors count | 2 | 2 |
| Divisors | 1, 331 | 1, 449 |
| Number of properties | 10 | 9 |
| Additive primes | 39th | 50th |
| Chen primes | 61st | |
| Cuban primes 1 | 7th | |
| Good primes | 24th | |
| Happy primes | 17th | |
| Harmonic primes | 28th | 33rd |
| Isolated primes | 28th | 42nd |
| Lucky primes | 19th | |
| Primes | 67th | 87th |
| Proth primes | 12th | |
| Pythagorean primes | 42nd | |
| Sexy primes (1st member) | 37th | |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Super primes | 19th | |
| Roman numberals | CCCXXXI | CDXLIX |
| Base 2 | 1010010112 | 1110000012 |
| Base 3 | 1100213 | 1211223 |
| Base 4 | 110234 | 130014 |
| Base 5 | 23115 | 32445 |
| Base 6 | 13116 | 20256 |
| Base 7 | 6527 | 12117 |
| Base 8 | 5138 | 7018 |
| Base 9 | 4079 | 5489 |
| Base 10 | 33110 | 44910 |
| Base 11 | 28111 | 37911 |
| Base 12 | 23712 | 31512 |
| Base 13 | 1c613 | 28713 |
| Base 14 | 19914 | 24114 |
| Base 15 | 17115 | 1ee15 |
| Base 16 | 14b16 | 1c116 |