Compare 990917 vs 990989
| Property | 990917 | 990989 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9909171 | 9909891 |
| Prime factorization | 990917 | 990989 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990917 | 1, 990989 |
| Number of properties | 4 | 4 |
| Chen primes | 29725th | 29726th |
| Emirps | 10968th | |
| Isolated primes | 61627th | 61633rd |
| Primes | 77842nd | 77848th |
| Sexy primes (1st member) | 16259th | |
| Roman numberals | ||
| Base 2 | 111100011110110001012 | 111100011111000011012 |
| Base 3 | 12121000211223 | 12121001010223 |
| Base 4 | 33013230114 | 33013300314 |
| Base 5 | 2232021325 | 2232024245 |
| Base 6 | 331233256 | 331235256 |
| Base 7 | 112646547 | 112651167 |
| Base 8 | 36173058 | 36174158 |
| Base 9 | 17702489 | 17703389 |
| Base 10 | 99091710 | 99098910 |
| Base 11 | 61754411 | 6175aa11 |
| Base 12 | 3b954512 | 3b95a512 |
| Base 13 | 28905513 | 2890ac13 |
| Base 14 | 1bb19b14 | 1bb20d14 |
| Base 15 | 14891215 | 14895e15 |
| Base 16 | f1ec516 | f1f0d16 |