Compare 990139 vs 990142
| Property | 990139 | 990142 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 1031 × 96131 | 21 × 4950711 |
| Prime factorization | 103 × 9613 | 2 × 495071 |
| Divisors count | 4 | 4 |
| Divisors | 1, 103, 9613, 990139 | 1, 2, 495071, 990142 |
| Number of properties | 1 | 1 |
| Semiprimes | 208063rd | 208065th |
| Roman numberals | ||
| Base 2 | 111100011011101110112 | 111100011011101111102 |
| Base 3 | 12120220122113 | 12120220122213 |
| Base 4 | 33012323234 | 33012323324 |
| Base 5 | 2231410245 | 2231410325 |
| Base 6 | 331155516 | 331155546 |
| Base 7 | 112624637 | 112624667 |
| Base 8 | 36156738 | 36156768 |
| Base 9 | 17681849 | 17681879 |
| Base 10 | 99013910 | 99014210 |
| Base 11 | 6169a711 | 6169aa11 |
| Base 12 | 3b8bb712 | 3b8bba12 |
| Base 13 | 2888a713 | 2888aa13 |
| Base 14 | 1baba314 | 1baba614 |
| Base 15 | 14859415 | 14859715 |
| Base 16 | f1bbb16 | f1bbe16 |