Compare 131 vs 227
| Property | 131 | 227 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1311 | 2271 |
| Prime factorization | 131 | 227 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131 | 1, 227 |
| Number of properties | 12 | 11 |
| Additive primes | 17th | 29th |
| Chen primes | 26th | 38th |
| Cousin primes (2nd member) | 12th | 15th |
| Good primes | 18th | |
| Isolated primes | 13th | |
| Long primes | 12th | |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | |
| Primes | 32nd | 49th |
| Prime triplets (1st member) | 16th | |
| Prime triplets (2nd member) | 15th | |
| Safe primes | 11th | |
| Sexy primes (1st member) | 20th | 28th |
| Sexy prime triplets (1st member) | 14th | |
| Solinas primes | 23rd | |
| Sophie germain primes | 12th | |
| Twin primes (1st member) | 16th | |
| Ulam primes | 8th | |
| Roman numberals | CXXXI | CCXXVII |
| Base 2 | 100000112 | 111000112 |
| Base 3 | 112123 | 221023 |
| Base 4 | 20034 | 32034 |
| Base 5 | 10115 | 14025 |
| Base 6 | 3356 | 10156 |
| Base 7 | 2457 | 4437 |
| Base 8 | 2038 | 3438 |
| Base 9 | 1559 | 2729 |
| Base 10 | 13110 | 22710 |
| Base 11 | 10a11 | 19711 |
| Base 12 | ab12 | 16b12 |
| Base 13 | a113 | 14613 |
| Base 14 | 9514 | 12314 |
| Base 15 | 8b15 | 10215 |
| Base 16 | 8316 | e316 |