Compare 137 vs 227
| Property | 137 | 227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1371 | 2271 |
| Prime factorization | 137 | 227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 137 | 1, 227 |
| Number of properties | 8 | 11 |
| Additive primes | 18th | 29th |
| Chen primes | 27th | 38th |
| Cousin primes (2nd member) | 15th | |
| Good primes | 18th | |
| Left-truncatable primes | 17th | |
| Primes | 33rd | 49th |
| Prime triplets (1st member) | 16th | |
| Prime triplets (2nd member) | 15th | |
| Pythagorean primes | 15th | |
| Safe primes | 11th | |
| Sexy primes (1st member) | 28th | |
| Sexy primes (2nd member) | 20th | |
| Sexy prime triplets (1st member) | 14th | |
| Solinas primes | 24th | |
| Twin primes (1st member) | 11th | 16th |
| Roman numberals | CXXXVII | CCXXVII |
| Base 2 | 100010012 | 111000112 |
| Base 3 | 120023 | 221023 |
| Base 4 | 20214 | 32034 |
| Base 5 | 10225 | 14025 |
| Base 6 | 3456 | 10156 |
| Base 7 | 2547 | 4437 |
| Base 8 | 2118 | 3438 |
| Base 9 | 1629 | 2729 |
| Base 10 | 13710 | 22710 |
| Base 11 | 11511 | 19711 |
| Base 12 | b512 | 16b12 |
| Base 13 | a713 | 14613 |
| Base 14 | 9b14 | 12314 |
| Base 15 | 9215 | 10215 |
| Base 16 | 8916 | e316 |