Compare 990989 vs 991129
| Property | 990989 | 991129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9909891 | 9911291 |
| Prime factorization | 990989 | 991129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990989 | 1, 991129 |
| Number of properties | 4 | 4 |
| Additive primes | 29881st | |
| Chen primes | 29726th | |
| Emirps | 10968th | 10974th |
| Isolated primes | 61633rd | |
| Primes | 77848th | 77861st |
| Twin primes (2nd member) | 8109th | |
| Roman numberals | ||
| Base 2 | 111100011111000011012 | 111100011111100110012 |
| Base 3 | 12121001010223 | 12121001201113 |
| Base 4 | 33013300314 | 33013321214 |
| Base 5 | 2232024245 | 2232040045 |
| Base 6 | 331235256 | 331243216 |
| Base 7 | 112651167 | 112654067 |
| Base 8 | 36174158 | 36176318 |
| Base 9 | 17703389 | 17705149 |
| Base 10 | 99098910 | 99112910 |
| Base 11 | 6175aa11 | 61771711 |
| Base 12 | 3b95a512 | 3b96a112 |
| Base 13 | 2890ac13 | 28918913 |
| Base 14 | 1bb20d14 | 1bb2ad14 |
| Base 15 | 14895e15 | 148a0415 |
| Base 16 | f1f0d16 | f1f9916 |