Compare 137 vs 449
| Property | 137 | 449 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 4491 |
| Prime factorization | 137 | 449 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 449 |
| Number of properties | 8 | 9 |
| Additive primes | 18th | 50th |
| Chen primes | 27th | 61st |
| Harmonic primes | 33rd | |
| Isolated primes | 42nd | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | 87th |
| Proth primes | 12th | |
| Pythagorean primes | 15th | 42nd |
| Sexy primes (2nd member) | 20th | 44th |
| Solinas primes | 24th | 35th |
| Twin primes (1st member) | 11th | |
| Roman numberals | CXXXVII | CDXLIX |
| Base 2 | 100010012 | 1110000012 |
| Base 3 | 120023 | 1211223 |
| Base 4 | 20214 | 130014 |
| Base 5 | 10225 | 32445 |
| Base 6 | 3456 | 20256 |
| Base 7 | 2547 | 12117 |
| Base 8 | 2118 | 7018 |
| Base 9 | 1629 | 5489 |
| Base 10 | 13710 | 44910 |
| Base 11 | 11511 | 37911 |
| Base 12 | b512 | 31512 |
| Base 13 | a713 | 28713 |
| Base 14 | 9b14 | 24114 |
| Base 15 | 9215 | 1ee15 |
| Base 16 | 8916 | 1c116 |