Compare 2129 vs 2687
| Property | 2129 | 2687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 21291 | 26871 |
| Prime factorization | 2129 | 2687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2129 | 1, 2687 |
| Number of properties | 5 | 11 |
| Additive primes | 205th | |
| Chen primes | 196th | 234th |
| Cousin primes (2nd member) | 80th | |
| Good primes | 79th | |
| Long primes | 156th | |
| Primes | 320th | 390th |
| Prime triplets (1st member) | 59th | |
| Prime triplets (2nd member) | 58th | |
| Pythagorean primes | 155th | |
| Sexy primes (1st member) | 158th | |
| Sexy prime triplets (1st member) | 58th | |
| Sophie germain primes | 65th | |
| Twin primes (1st member) | 66th | 76th |
| Roman numberals | MMCXXIX | MMDCLXXXVII |
| Base 2 | 1000010100012 | 1010011111112 |
| Base 3 | 22202123 | 102001123 |
| Base 4 | 2011014 | 2213334 |
| Base 5 | 320045 | 412225 |
| Base 6 | 135056 | 202356 |
| Base 7 | 61317 | 105567 |
| Base 8 | 41218 | 51778 |
| Base 9 | 28259 | 36159 |
| Base 10 | 212910 | 268710 |
| Base 11 | 166611 | 202311 |
| Base 12 | 129512 | 167b12 |
| Base 13 | c7a13 | 12b913 |
| Base 14 | ac114 | d9d14 |
| Base 15 | 96e15 | be215 |
| Base 16 | 85116 | a7f16 |