Compare 449 vs 641
| Property | 449 | 641 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4491 | 6411 |
| Prime factorization | 449 | 641 |
| Divisors count | 2 | 2 |
| Divisors | 1, 449 | 1, 641 |
| Number of properties | 9 | 14 |
| Additive primes | 50th | 62nd |
| Chen primes | 61st | 81st |
| Good primes | 35th | |
| Harmonic primes | 33rd | |
| Isolated primes | 42nd | |
| Primes | 87th | 116th |
| Prime triplets (1st member) | 24th | |
| Proth primes | 12th | 14th |
| Pythagorean primes | 42nd | 55th |
| Quartan primes | 6th | |
| Sexy primes (1st member) | 57th | |
| Sexy primes (2nd member) | 44th | |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime triplets (1st member) | 24th | |
| Solinas primes | 35th | 41st |
| Sophie germain primes | 28th | |
| Twin primes (1st member) | 29th | |
| Roman numberals | CDXLIX | DCXLI |
| Base 2 | 1110000012 | 10100000012 |
| Base 3 | 1211223 | 2122023 |
| Base 4 | 130014 | 220014 |
| Base 5 | 32445 | 100315 |
| Base 6 | 20256 | 25456 |
| Base 7 | 12117 | 16047 |
| Base 8 | 7018 | 12018 |
| Base 9 | 5489 | 7829 |
| Base 10 | 44910 | 64110 |
| Base 11 | 37911 | 53311 |
| Base 12 | 31512 | 45512 |
| Base 13 | 28713 | 3a413 |
| Base 14 | 24114 | 33b14 |
| Base 15 | 1ee15 | 2cb15 |
| Base 16 | 1c116 | 28116 |