Compare 990989 vs 991541
| Property | 990989 | 991541 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9909891 | 9915411 |
| Prime factorization | 990989 | 991541 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990989 | 1, 991541 |
| Number of properties | 4 | 5 |
| Additive primes | 29892nd | |
| Chen primes | 29726th | 29735th |
| Emirps | 10968th | |
| Isolated primes | 61633rd | 61669th |
| Primes | 77848th | 77888th |
| Sexy primes (1st member) | 16273rd | |
| Roman numberals | ||
| Base 2 | 111100011111000011012 | 111100100001001101012 |
| Base 3 | 12121001010223 | 12121010102023 |
| Base 4 | 33013300314 | 33020103114 |
| Base 5 | 2232024245 | 2232121315 |
| Base 6 | 331235256 | 331302456 |
| Base 7 | 112651167 | 112665357 |
| Base 8 | 36174158 | 36204658 |
| Base 9 | 17703389 | 17711229 |
| Base 10 | 99098910 | 99154110 |
| Base 11 | 6175aa11 | 617a6111 |
| Base 12 | 3b95a512 | 3b998512 |
| Base 13 | 2890ac13 | 28941513 |
| Base 14 | 1bb20d14 | 1bb4c514 |
| Base 15 | 14895e15 | 148bcb15 |
| Base 16 | f1f0d16 | f213516 |