Compare 990809 vs 990917
| Property | 990809 | 990917 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9908091 | 9909171 |
| Prime factorization | 990809 | 990917 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990809 | 1, 990917 |
| Number of properties | 3 | 4 |
| Chen primes | 29725th | |
| Isolated primes | 61622nd | 61627th |
| Primes | 77835th | 77842nd |
| Sexy primes (1st member) | 16259th | |
| Sophie germain primes | 7680th | |
| Roman numberals | ||
| Base 2 | 111100011110010110012 | 111100011110110001012 |
| Base 3 | 12121000101223 | 12121000211223 |
| Base 4 | 33013211214 | 33013230114 |
| Base 5 | 2232012145 | 2232021325 |
| Base 6 | 331230256 | 331233256 |
| Base 7 | 112644417 | 112646547 |
| Base 8 | 36171318 | 36173058 |
| Base 9 | 17701189 | 17702489 |
| Base 10 | 99080910 | 99091710 |
| Base 11 | 61745611 | 61754411 |
| Base 12 | 3b947512 | 3b954512 |
| Base 13 | 288ca113 | 28905513 |
| Base 14 | 1bb12114 | 1bb19b14 |
| Base 15 | 14888e15 | 14891215 |
| Base 16 | f1e5916 | f1ec516 |