Compare 337 vs 491
| Property | 337 | 491 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3371 | 4911 |
| Prime factorization | 337 | 491 |
| Divisors count | 2 | 2 |
| Divisors | 1, 337 | 1, 491 |
| Number of properties | 11 | 7 |
| Additive primes | 40th | |
| Chen primes | 50th | 66th |
| Cousin primes (2nd member) | 26th | |
| Emirps | 17th | |
| Harmonic primes | 29th | 38th |
| Isolated primes | 29th | 47th |
| Left-truncatable primes | 25th | |
| Long primes | 25th | 34th |
| Primes | 68th | 94th |
| Pythagorean primes | 32nd | |
| Quartan primes | 5th | |
| Sexy primes (2nd member) | 37th | |
| Sophie germain primes | 25th | |
| Roman numberals | CCCXXXVII | CDXCI |
| Base 2 | 1010100012 | 1111010112 |
| Base 3 | 1101113 | 2000123 |
| Base 4 | 111014 | 132234 |
| Base 5 | 23225 | 34315 |
| Base 6 | 13216 | 21356 |
| Base 7 | 6617 | 13017 |
| Base 8 | 5218 | 7538 |
| Base 9 | 4149 | 6059 |
| Base 10 | 33710 | 49110 |
| Base 11 | 28711 | 40711 |
| Base 12 | 24112 | 34b12 |
| Base 13 | 1cc13 | 2ba13 |
| Base 14 | 1a114 | 27114 |
| Base 15 | 17715 | 22b15 |
| Base 16 | 15116 | 1eb16 |