Compare 13685 vs 13691
| Property | 13685 | 13691 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 71 × 171 × 231 | 136911 |
| Prime factorization | 5 × 7 × 17 × 23 | 13691 |
| Divisors count | 16 | 2 |
| Divisors | 1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 13685 | 1, 13691 |
| Number of properties | 0 | 8 |
| Chen primes | 821st | |
| Cousin primes (2nd member) | 259th | |
| Long primes | 629th | |
| Primes | 1618th | |
| Prime triplets (1st member) | 130th | |
| Prime triplets (2nd member) | 129th | |
| Sexy primes (1st member) | 516th | |
| Twin primes (1st member) | 253rd | |
| Roman numberals | ||
| Base 2 | 110101011101012 | 110101011110112 |
| Base 3 | 2002022123 | 2002100023 |
| Base 4 | 31113114 | 31113234 |
| Base 5 | 4142205 | 4142315 |
| Base 6 | 1432056 | 1432156 |
| Base 7 | 546207 | 546267 |
| Base 8 | 325658 | 325738 |
| Base 9 | 206859 | 207029 |
| Base 10 | 1368510 | 1369110 |
| Base 11 | a31111 | a31711 |
| Base 12 | 7b0512 | 7b0b12 |
| Base 13 | 62c913 | 630213 |
| Base 14 | 4db714 | 4dbd14 |
| Base 15 | 40c515 | 40cb15 |
| Base 16 | 357516 | 357b16 |