Compare 149 vs 227
| Property | 149 | 227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 2271 |
| Prime factorization | 149 | 227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 227 |
| Number of properties | 8 | 11 |
| Additive primes | 29th | |
| Chen primes | 29th | 38th |
| Cousin primes (2nd member) | 15th | |
| Emirps | 11th | |
| Good primes | 14th | 18th |
| Harmonic primes | 12th | |
| Long primes | 13th | |
| Primes | 35th | 49th |
| Prime triplets (1st member) | 16th | |
| Prime triplets (2nd member) | 15th | |
| Pythagorean primes | 16th | |
| Safe primes | 11th | |
| Sexy primes (1st member) | 28th | |
| Sexy prime triplets (1st member) | 14th | |
| Twin primes (1st member) | 12th | 16th |
| Roman numberals | CXLIX | CCXXVII |
| Base 2 | 100101012 | 111000112 |
| Base 3 | 121123 | 221023 |
| Base 4 | 21114 | 32034 |
| Base 5 | 10445 | 14025 |
| Base 6 | 4056 | 10156 |
| Base 7 | 3027 | 4437 |
| Base 8 | 2258 | 3438 |
| Base 9 | 1759 | 2729 |
| Base 10 | 14910 | 22710 |
| Base 11 | 12611 | 19711 |
| Base 12 | 10512 | 16b12 |
| Base 13 | b613 | 14613 |
| Base 14 | a914 | 12314 |
| Base 15 | 9e15 | 10215 |
| Base 16 | 9516 | e316 |