Compare 681251 vs 681261
| Property | 681251 | 681261 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6812511 | 31 × 71 × 324411 |
| Prime factorization | 681251 | 3 × 7 × 32441 |
| Divisors count | 2 | 8 |
| Divisors | 1, 681251 | 1, 3, 7, 21, 32441, 97323, 227087, 681261 |
| Number of properties | 7 | 0 |
| 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 | 101001100101001000112 | 101001100101001011012 |
| Base 3 | 10211211111123 | 10211211112203 |
| Base 4 | 22121102034 | 22121102314 |
| Base 5 | 1333000015 | 1333000215 |
| Base 6 | 223335356 | 223335536 |
| Base 7 | 55351047 | 55351207 |
| Base 8 | 24624438 | 24624558 |
| Base 9 | 12474459 | 12474569 |
| Base 10 | 68125110 | 68126110 |
| Base 11 | 42591a11 | 42592911 |
| Base 12 | 28a2ab12 | 28a2b912 |
| Base 13 | 1ab10c13 | 1ab11913 |
| Base 14 | 13a3ab14 | 13a3b714 |
| Base 15 | d6cbb15 | d6cc615 |
| Base 16 | a652316 | a652d16 |