Compare 639389 vs 639391
| Property | 639389 | 639391 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 3171 × 20171 | 6393911 |
| Prime factorization | 317 × 2017 | 639391 |
| Divisors count | 4 | 2 |
| Divisors | 1, 317, 2017, 639389 | 1, 639391 |
| Number of properties | 1 | 4 |
| Additive primes | 20334th | |
| Chen primes | 20356th | |
| Isolated primes | 40779th | |
| Primes | 52030th | |
| Semiprimes | 137014th | |
| Roman numberals | ||
| Base 2 | 100111000001100111012 | 100111000001100111112 |
| Base 3 | 10121110020023 | 10121110020113 |
| Base 4 | 21300121314 | 21300121334 |
| Base 5 | 1304300245 | 1304300315 |
| Base 6 | 214120456 | 214120516 |
| Base 7 | 53020527 | 53020547 |
| Base 8 | 23406358 | 23406378 |
| Base 9 | 11740629 | 11740649 |
| Base 10 | 63938910 | 63939110 |
| Base 11 | 3a742311 | 3a742511 |
| Base 12 | 26a02512 | 26a02712 |
| Base 13 | 19504a13 | 19504c13 |
| Base 14 | 12902914 | 12902b14 |
| Base 15 | c96ae15 | c96b115 |
| Base 16 | 9c19d16 | 9c19f16 |