Compare 990989 vs 991147
| Property | 990989 | 991147 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9909891 | 9911471 |
| Prime factorization | 990989 | 991147 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990989 | 1, 991147 |
| Number of properties | 4 | 4 |
| Additive primes | 29882nd | |
| Chen primes | 29726th | 29729th |
| Emirps | 10968th | |
| Isolated primes | 61633rd | 61645th |
| Primes | 77848th | 77862nd |
| Roman numberals | ||
| Base 2 | 111100011111000011012 | 111100011111101010112 |
| Base 3 | 12121001010223 | 12121001210113 |
| Base 4 | 33013300314 | 33013322234 |
| Base 5 | 2232024245 | 2232040425 |
| Base 6 | 331235256 | 331243516 |
| Base 7 | 112651167 | 112654337 |
| Base 8 | 36174158 | 36176538 |
| Base 9 | 17703389 | 17705349 |
| Base 10 | 99098910 | 99114710 |
| Base 11 | 6175aa11 | 61773311 |
| Base 12 | 3b95a512 | 3b96b712 |
| Base 13 | 2890ac13 | 2891a113 |
| Base 14 | 1bb20d14 | 1bb2c314 |
| Base 15 | 14895e15 | 148a1715 |
| Base 16 | f1f0d16 | f1fab16 |