Compare 681239 vs 681251
| Property | 681239 | 681251 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 132 × 291 × 1391 | 6812511 |
| Prime factorization | 13 × 13 × 29 × 139 | 681251 |
| Divisors count | 12 | 2 |
| Divisors | 1, 13, 29, 139, 169, 377, 1807, 4031, 4901, 23491, 52403, 681239 | 1, 681251 |
| Number of properties | 0 | 7 |
| Additive primes | 21512th | |
| Chen primes | 21540th | |
| Primes | 55157th | |
| Prime quadruplets (1st member) | 132nd | |
| Prime triplets (1st member) | 2164th | |
| Sexy primes (1st member) | 11864th | |
| Twin primes (1st member) | 5944th | |
| Roman numberals | ||
| Base 2 | 101001100101000101112 | 101001100101001000112 |
| Base 3 | 10211211110023 | 10211211111123 |
| Base 4 | 22121101134 | 22121102034 |
| Base 5 | 1332444245 | 1333000015 |
| Base 6 | 223335156 | 223335356 |
| Base 7 | 55350567 | 55351047 |
| Base 8 | 24624278 | 24624438 |
| Base 9 | 12474329 | 12474459 |
| Base 10 | 68123910 | 68125110 |
| Base 11 | 42590911 | 42591a11 |
| Base 12 | 28a29b12 | 28a2ab12 |
| Base 13 | 1ab10013 | 1ab10c13 |
| Base 14 | 13a39d14 | 13a3ab14 |
| Base 15 | d6cae15 | d6cbb15 |
| Base 16 | a651716 | a652316 |