Compare 990142 vs 990187
| Property | 990142 | 990187 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 4950711 | 111 × 900171 |
| Prime factorization | 2 × 495071 | 11 × 90017 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 495071, 990142 | 1, 11, 90017, 990187 |
| Number of properties | 1 | 1 |
| Semiprimes | 208065th | 208073rd |
| Roman numberals | ||
| Base 2 | 111100011011101111102 | 111100011011111010112 |
| Base 3 | 12120220122213 | 12120220211213 |
| Base 4 | 33012323324 | 33012332234 |
| Base 5 | 2231410325 | 2231412225 |
| Base 6 | 331155546 | 331201116 |
| Base 7 | 112624667 | 112625627 |
| Base 8 | 36156768 | 36157538 |
| Base 9 | 17681879 | 17682479 |
| Base 10 | 99014210 | 99018710 |
| Base 11 | 6169aa11 | 616a4011 |
| Base 12 | 3b8bba12 | 3b903712 |
| Base 13 | 2888aa13 | 28891313 |
| Base 14 | 1baba614 | 1babd914 |
| Base 15 | 14859715 | 1485c715 |
| Base 16 | f1bbe16 | f1beb16 |