Compare 681979 vs 681981
| Property | 681979 | 681981 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6819791 | 31 × 591 × 38531 |
| Prime factorization | 681979 | 3 × 59 × 3853 |
| Divisors count | 2 | 8 |
| Divisors | 1, 681979 | 1, 3, 59, 177, 3853, 11559, 227327, 681981 |
| Number of properties | 4 | 0 |
| Cousin primes (1st member) | 5952nd | |
| Primes | 55214th | |
| Prime triplets (2nd member) | 2167th | |
| Twin primes (2nd member) | 5950th | |
| Roman numberals | ||
| Base 2 | 101001100111111110112 | 101001100111111111012 |
| Base 3 | 10211221111113 | 10211221111203 |
| Base 4 | 22121333234 | 22121333314 |
| Base 5 | 1333104045 | 1333104115 |
| Base 6 | 223411516 | 223411536 |
| Base 7 | 55401647 | 55401667 |
| Base 8 | 24637738 | 24637758 |
| Base 9 | 12484449 | 12484469 |
| Base 10 | 68197910 | 68198110 |
| Base 11 | 42642111 | 42642311 |
| Base 12 | 28a7b712 | 28a7b912 |
| Base 13 | 1ab54c13 | 1ab55113 |
| Base 14 | 13a76b14 | 13a76d14 |
| Base 15 | d710415 | d710615 |
| Base 16 | a67fb16 | a67fd16 |