Compare 990135 vs 990142
| Property | 990135 | 990142 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 32 × 51 × 220031 | 21 × 4950711 |
| Prime factorization | 3 × 3 × 5 × 22003 | 2 × 495071 |
| Divisors count | 12 | 4 |
| Divisors | 1, 3, 5, 9, 15, 45, 22003, 66009, 110015, 198027, 330045, 990135 | 1, 2, 495071, 990142 |
| Number of properties | 0 | 1 |
| Semiprimes | 208065th | |
| Roman numberals | ||
| Base 2 | 111100011011101101112 | 111100011011101111102 |
| Base 3 | 12120220122003 | 12120220122213 |
| Base 4 | 33012323134 | 33012323324 |
| Base 5 | 2231410205 | 2231410325 |
| Base 6 | 331155436 | 331155546 |
| Base 7 | 112624567 | 112624667 |
| Base 8 | 36156678 | 36156768 |
| Base 9 | 17681809 | 17681879 |
| Base 10 | 99013510 | 99014210 |
| Base 11 | 6169a311 | 6169aa11 |
| Base 12 | 3b8bb312 | 3b8bba12 |
| Base 13 | 2888a313 | 2888aa13 |
| Base 14 | 1bab9d14 | 1baba614 |
| Base 15 | 14859015 | 14859715 |
| Base 16 | f1bb716 | f1bbe16 |