Compare 990809 vs 991493
| Property | 990809 | 991493 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9908091 | 9914931 |
| Prime factorization | 990809 | 991493 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990809 | 1, 991493 |
| Number of properties | 3 | 4 |
| Isolated primes | 61622nd | 61665th |
| Primes | 77835th | 77884th |
| Sexy primes (1st member) | 16272nd | |
| Sophie germain primes | 7680th | 7686th |
| Roman numberals | ||
| Base 2 | 111100011110010110012 | 111100100001000001012 |
| Base 3 | 12121000101223 | 12121010012223 |
| Base 4 | 33013211214 | 33020100114 |
| Base 5 | 2232012145 | 2232114335 |
| Base 6 | 331230256 | 331301256 |
| Base 7 | 112644417 | 112664367 |
| Base 8 | 36171318 | 36204058 |
| Base 9 | 17701189 | 17710589 |
| Base 10 | 99080910 | 99149310 |
| Base 11 | 61745611 | 617a1811 |
| Base 12 | 3b947512 | 3b994512 |
| Base 13 | 288ca113 | 2893a913 |
| Base 14 | 1bb12114 | 1bb48d14 |
| Base 15 | 14888e15 | 148b9815 |
| Base 16 | f1e5916 | f210516 |