Compare 2131 vs 2137
| Property | 2131 | 2137 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21311 | 21371 |
| Prime factorization | 2131 | 2137 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2131 | 1, 2137 |
| Number of properties | 5 | 11 |
| Additive primes | 168th | 169th |
| Cousin primes (1st member) | 67th | |
| Isolated primes | 191st | |
| Left-truncatable primes | 64th | |
| Long primes | 123rd | |
| Primes | 321st | 322nd |
| Prime triplets (1st member) | 53rd | |
| Pythagorean primes | 156th | |
| Sexy primes (1st member) | 134th | 135th |
| Sexy primes (2nd member) | 134th | |
| Sexy prime triplets (1st member) | 51st | |
| Sexy prime triplets (2nd member) | 51st | |
| Twin primes (2nd member) | 66th | |
| Roman numberals | MMCXXXI | MMCXXXVII |
| Base 2 | 1000010100112 | 1000010110012 |
| Base 3 | 22202213 | 22210113 |
| Base 4 | 2011034 | 2011214 |
| Base 5 | 320115 | 320225 |
| Base 6 | 135116 | 135216 |
| Base 7 | 61337 | 61427 |
| Base 8 | 41238 | 41318 |
| Base 9 | 28279 | 28349 |
| Base 10 | 213110 | 213710 |
| Base 11 | 166811 | 167311 |
| Base 12 | 129712 | 12a112 |
| Base 13 | c7c13 | c8513 |
| Base 14 | ac314 | ac914 |
| Base 15 | 97115 | 97715 |
| Base 16 | 85316 | 85916 |