Compare 991147 vs 991159
| Property | 991147 | 991159 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 9911471 | 131 × 762431 |
| Prime factorization | 991147 | 13 × 76243 |
| Divisors count | 2 | 4 |
| Divisors | 1, 991147 | 1, 13, 76243, 991159 |
| Number of properties | 4 | 1 |
| Additive primes | 29882nd | |
| Chen primes | 29729th | |
| Isolated primes | 61645th | |
| Primes | 77862nd | |
| Semiprimes | 208266th | |
| Roman numberals | ||
| Base 2 | 111100011111101010112 | 111100011111101101112 |
| Base 3 | 12121001210113 | 12121001211213 |
| Base 4 | 33013322234 | 33013323134 |
| Base 5 | 2232040425 | 2232041145 |
| Base 6 | 331243516 | 331244116 |
| Base 7 | 112654337 | 112654517 |
| Base 8 | 36176538 | 36176678 |
| Base 9 | 17705349 | 17705479 |
| Base 10 | 99114710 | 99115910 |
| Base 11 | 61773311 | 61774411 |
| Base 12 | 3b96b712 | 3b970712 |
| Base 13 | 2891a113 | 2891b013 |
| Base 14 | 1bb2c314 | 1bb2d114 |
| Base 15 | 148a1715 | 148a2415 |
| Base 16 | f1fab16 | f1fb716 |