Compare 990131 vs 990135
| Property | 990131 | 990135 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 171 × 582431 | 32 × 51 × 220031 |
| Prime factorization | 17 × 58243 | 3 × 3 × 5 × 22003 |
| Divisors count | 4 | 12 |
| Divisors | 1, 17, 58243, 990131 | 1, 3, 5, 9, 15, 45, 22003, 66009, 110015, 198027, 330045, 990135 |
| Number of properties | 1 | 0 |
| Semiprimes | 208060th | |
| Roman numberals | ||
| Base 2 | 111100011011101100112 | 111100011011101101112 |
| Base 3 | 12120220121123 | 12120220122003 |
| Base 4 | 33012323034 | 33012323134 |
| Base 5 | 2231410115 | 2231410205 |
| Base 6 | 331155356 | 331155436 |
| Base 7 | 112624527 | 112624567 |
| Base 8 | 36156638 | 36156678 |
| Base 9 | 17681759 | 17681809 |
| Base 10 | 99013110 | 99013510 |
| Base 11 | 61699a11 | 6169a311 |
| Base 12 | 3b8bab12 | 3b8bb312 |
| Base 13 | 28889c13 | 2888a313 |
| Base 14 | 1bab9914 | 1bab9d14 |
| Base 15 | 14858b15 | 14859015 |
| Base 16 | f1bb316 | f1bb716 |