Compare 681839 vs 681845
| Property | 681839 | 681845 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 6818391 | 51 × 311 × 531 × 831 |
| Prime factorization | 681839 | 5 × 31 × 53 × 83 |
| Divisors count | 2 | 16 |
| Divisors | 1, 681839 | 1, 5, 31, 53, 83, 155, 265, 415, 1643, 2573, 4399, 8215, 12865, 21995, 136369, 681845 |
| Number of properties | 6 | 0 |
| Chen primes | 21550th | |
| Primes | 55204th | |
| Safe primes | 3177th | |
| Sexy primes (2nd member) | 11873rd | |
| Sophie germain primes | 5599th | |
| Twin primes (1st member) | 5949th | |
| Roman numberals | ||
| Base 2 | 101001100111011011112 | 101001100111011101012 |
| Base 3 | 10211220220223 | 10211220221123 |
| Base 4 | 22121312334 | 22121313114 |
| Base 5 | 1333043245 | 1333043405 |
| Base 6 | 223403556 | 223404056 |
| Base 7 | 55366047 | 55366137 |
| Base 8 | 24635578 | 24635658 |
| Base 9 | 12482689 | 12482759 |
| Base 10 | 68183910 | 68184510 |
| Base 11 | 42630411 | 42630a11 |
| Base 12 | 28a6bb12 | 28a70512 |
| Base 13 | 1ab47213 | 1ab47813 |
| Base 14 | 13a6ab14 | 13a6b314 |
| Base 15 | d705e15 | d706515 |
| Base 16 | a676f16 | a677516 |