Compare 990917 vs 991409
| Property | 990917 | 991409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9909171 | 9914091 |
| Prime factorization | 990917 | 991409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990917 | 1, 991409 |
| Number of properties | 4 | 3 |
| Chen primes | 29725th | 29732nd |
| Isolated primes | 61627th | 61661st |
| Primes | 77842nd | 77878th |
| Sexy primes (1st member) | 16259th | |
| Roman numberals | ||
| Base 2 | 111100011110110001012 | 111100100000101100012 |
| Base 3 | 12121000211223 | 12121002212123 |
| Base 4 | 33013230114 | 33020023014 |
| Base 5 | 2232021325 | 2232111145 |
| Base 6 | 331233256 | 331255056 |
| Base 7 | 112646547 | 112662567 |
| Base 8 | 36173058 | 36202618 |
| Base 9 | 17702489 | 17708559 |
| Base 10 | 99091710 | 99140910 |
| Base 11 | 61754411 | 61795111 |
| Base 12 | 3b954512 | 3b989512 |
| Base 13 | 28905513 | 28934313 |
| Base 14 | 1bb19b14 | 1bb42d14 |
| Base 15 | 14891215 | 148b3e15 |
| Base 16 | f1ec516 | f20b116 |