Compare 681979 vs 681989
| Property | 681979 | 681989 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6819791 | 71 × 111 × 171 × 5211 |
| Prime factorization | 681979 | 7 × 11 × 17 × 521 |
| Divisors count | 2 | 16 |
| Divisors | 1, 681979 | 1, 7, 11, 17, 77, 119, 187, 521, 1309, 3647, 5731, 8857, 40117, 61999, 97427, 681989 |
| 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 | 101001101000000001012 |
| Base 3 | 10211221111113 | 10211221112123 |
| Base 4 | 22121333234 | 22122000114 |
| Base 5 | 1333104045 | 1333104245 |
| Base 6 | 223411516 | 223412056 |
| Base 7 | 55401647 | 55402107 |
| Base 8 | 24637738 | 24640058 |
| Base 9 | 12484449 | 12484559 |
| Base 10 | 68197910 | 68198910 |
| Base 11 | 42642111 | 42643011 |
| Base 12 | 28a7b712 | 28a80512 |
| Base 13 | 1ab54c13 | 1ab55913 |
| Base 14 | 13a76b14 | 13a77714 |
| Base 15 | d710415 | d710e15 |
| Base 16 | a67fb16 | a680516 |