Compare 2686 vs 2689
| Property | 2686 | 2689 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 171 × 791 | 26891 |
| Prime factorization | 2 × 17 × 79 | 2689 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 17, 34, 79, 158, 1343, 2686 | 1, 2689 |
| Number of properties | 0 | 11 |
| Cousin primes (1st member) | 81st | |
| Lucky primes | 85th | |
| Primes | 391st | |
| Prime triplets (2nd member) | 59th | |
| Prime triplets (3rd member) | 58th | |
| Proth primes | 23rd | |
| Pythagorean primes | 191st | |
| Sexy primes (2nd member) | 157th | |
| Sexy prime quadrupletss (4th member) | 14th | |
| Sexy prime triplets (3rd member) | 57th | |
| Twin primes (2nd member) | 76th | |
| Roman numberals | MMDCLXXXVI | MMDCLXXXIX |
| Base 2 | 1010011111102 | 1010100000012 |
| Base 3 | 102001113 | 102001213 |
| Base 4 | 2213324 | 2220014 |
| Base 5 | 412215 | 412245 |
| Base 6 | 202346 | 202416 |
| Base 7 | 105557 | 105617 |
| Base 8 | 51768 | 52018 |
| Base 9 | 36149 | 36179 |
| Base 10 | 268610 | 268910 |
| Base 11 | 202211 | 202511 |
| Base 12 | 167a12 | 168112 |
| Base 13 | 12b813 | 12bb13 |
| Base 14 | d9c14 | da114 |
| Base 15 | be115 | be415 |
| Base 16 | a7e16 | a8116 |