Compare 668807 vs 668813
| Property | 668807 | 668813 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 531 × 126191 | 6688131 |
| Prime factorization | 53 × 12619 | 668813 |
| Divisors count | 4 | 2 |
| Divisors | 1, 53, 12619, 668807 | 1, 668813 |
| Number of properties | 1 | 3 |
| Isolated primes | 42516th | |
| Primes | 54221st | |
| Semiprimes | 143047th | |
| Sophie germain primes | 5514th | |
| Roman numberals | ||
| Base 2 | 101000110100100001112 | 101000110100100011012 |
| Base 3 | 10202221021223 | 10202221022123 |
| Base 4 | 22031020134 | 22031020314 |
| Base 5 | 1324002125 | 1324002235 |
| Base 6 | 222001556 | 222002056 |
| Base 7 | 54536067 | 54536157 |
| Base 8 | 24322078 | 24322158 |
| Base 9 | 12283789 | 12283859 |
| Base 10 | 66880710 | 66881310 |
| Base 11 | 41753711 | 41754211 |
| Base 12 | 28305b12 | 28306512 |
| Base 13 | 1a555913 | 1a556213 |
| Base 14 | 135a3d14 | 135a4514 |
| Base 15 | d327215 | d327815 |
| Base 16 | a348716 | a348d16 |