Compare 990130 vs 990142
| Property | 990130 | 990142 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 990131 | 21 × 4950711 |
| Prime factorization | 2 × 5 × 99013 | 2 × 495071 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 99013, 198026, 495065, 990130 | 1, 2, 495071, 990142 |
| Number of properties | 0 | 1 |
| Semiprimes | 208065th | |
| Roman numberals | ||
| Base 2 | 111100011011101100102 | 111100011011101111102 |
| Base 3 | 12120220121113 | 12120220122213 |
| Base 4 | 33012323024 | 33012323324 |
| Base 5 | 2231410105 | 2231410325 |
| Base 6 | 331155346 | 331155546 |
| Base 7 | 112624517 | 112624667 |
| Base 8 | 36156628 | 36156768 |
| Base 9 | 17681749 | 17681879 |
| Base 10 | 99013010 | 99014210 |
| Base 11 | 61699911 | 6169aa11 |
| Base 12 | 3b8baa12 | 3b8bba12 |
| Base 13 | 28889b13 | 2888aa13 |
| Base 14 | 1bab9814 | 1baba614 |
| Base 15 | 14858a15 | 14859715 |
| Base 16 | f1bb216 | f1bbe16 |