Compare 681689 vs 681839
| Property | 681689 | 681839 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6816891 | 6818391 |
| Prime factorization | 681689 | 681839 |
| Divisors count | 2 | 2 |
| Divisors | 1, 681689 | 1, 681839 |
| Number of properties | 3 | 6 |
| Chen primes | 21548th | 21550th |
| Isolated primes | 43298th | |
| Primes | 55193rd | 55204th |
| Safe primes | 3177th | |
| Sexy primes (2nd member) | 11873rd | |
| Sophie germain primes | 5599th | |
| Twin primes (1st member) | 5949th | |
| Roman numberals | ||
| Base 2 | 101001100110110110012 | 101001100111011011112 |
| Base 3 | 10211220022023 | 10211220220223 |
| Base 4 | 22121231214 | 22121312334 |
| Base 5 | 1333032245 | 1333043245 |
| Base 6 | 223355456 | 223403556 |
| Base 7 | 55363017 | 55366047 |
| Base 8 | 24633318 | 24635578 |
| Base 9 | 12480829 | 12482689 |
| Base 10 | 68168910 | 68183910 |
| Base 11 | 42618811 | 42630411 |
| Base 12 | 28a5b512 | 28a6bb12 |
| Base 13 | 1ab38813 | 1ab47213 |
| Base 14 | 13a60114 | 13a6ab14 |
| Base 15 | d6eae15 | d705e15 |
| Base 16 | a66d916 | a676f16 |