Compare 409 vs 449
| Property | 409 | 449 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4091 | 4491 |
| Prime factorization | 409 | 449 |
| Divisors count | 2 | 2 |
| Divisors | 1, 409 | 1, 449 |
| Number of properties | 9 | 9 |
| Additive primes | 47th | 50th |
| Centered triangular primes | 5th | |
| Chen primes | 57th | 61st |
| Happy primes | 22nd | |
| Harmonic primes | 33rd | |
| Isolated primes | 39th | 42nd |
| Lucky primes | 22nd | |
| Primes | 80th | 87th |
| Proth primes | 12th | |
| Pythagorean primes | 39th | 42nd |
| Sexy primes (2nd member) | 44th | |
| Solinas primes | 35th | |
| Ulam primes | 11th | |
| Roman numberals | CDIX | CDXLIX |
| Base 2 | 1100110012 | 1110000012 |
| Base 3 | 1200113 | 1211223 |
| Base 4 | 121214 | 130014 |
| Base 5 | 31145 | 32445 |
| Base 6 | 15216 | 20256 |
| Base 7 | 11237 | 12117 |
| Base 8 | 6318 | 7018 |
| Base 9 | 5049 | 5489 |
| Base 10 | 40910 | 44910 |
| Base 11 | 34211 | 37911 |
| Base 12 | 2a112 | 31512 |
| Base 13 | 25613 | 28713 |
| Base 14 | 21314 | 24114 |
| Base 15 | 1c415 | 1ee15 |
| Base 16 | 19916 | 1c116 |