Compare 131 vs 919
| Property | 131 | 919 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1311 | 9191 |
| Prime factorization | 131 | 919 |
| Divisors count | 2 | 2 |
| Divisors | 1, 131 | 1, 919 |
| Number of properties | 12 | 7 |
| Additive primes | 17th | 84th |
| Chen primes | 26th | 107th |
| Cousin primes (2nd member) | 12th | |
| Cuban primes 1 | 11th | |
| Isolated primes | 13th | 88th |
| Long primes | 12th | |
| Multiplicative primes | 10th | |
| Palindromic primes | 7th | 19th |
| Primes | 32nd | 157th |
| Sexy primes (1st member) | 20th | |
| Solinas primes | 23rd | |
| Sophie germain primes | 12th | |
| Super primes | 37th | |
| Ulam primes | 8th | |
| Roman numberals | CXXXI | CMXIX |
| Base 2 | 100000112 | 11100101112 |
| Base 3 | 112123 | 10210013 |
| Base 4 | 20034 | 321134 |
| Base 5 | 10115 | 121345 |
| Base 6 | 3356 | 41316 |
| Base 7 | 2457 | 24527 |
| Base 8 | 2038 | 16278 |
| Base 9 | 1559 | 12319 |
| Base 10 | 13110 | 91910 |
| Base 11 | 10a11 | 76611 |
| Base 12 | ab12 | 64712 |
| Base 13 | a113 | 55913 |
| Base 14 | 9514 | 49914 |
| Base 15 | 8b15 | 41415 |
| Base 16 | 8316 | 39716 |