Compare 681979 vs 681986
| Property | 681979 | 681986 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6819791 | 21 × 191 × 1311 × 1371 |
| Prime factorization | 681979 | 2 × 19 × 131 × 137 |
| Divisors count | 2 | 16 |
| Divisors | 1, 681979 | 1, 2, 19, 38, 131, 137, 262, 274, 2489, 2603, 4978, 5206, 17947, 35894, 340993, 681986 |
| 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 | 101001101000000000102 |
| Base 3 | 10211221111113 | 10211221112023 |
| Base 4 | 22121333234 | 22122000024 |
| Base 5 | 1333104045 | 1333104215 |
| Base 6 | 223411516 | 223412026 |
| Base 7 | 55401647 | 55402047 |
| Base 8 | 24637738 | 24640028 |
| Base 9 | 12484449 | 12484529 |
| Base 10 | 68197910 | 68198610 |
| Base 11 | 42642111 | 42642811 |
| Base 12 | 28a7b712 | 28a80212 |
| Base 13 | 1ab54c13 | 1ab55613 |
| Base 14 | 13a76b14 | 13a77414 |
| Base 15 | d710415 | d710b15 |
| Base 16 | a67fb16 | a680216 |