Compare 990061 vs 990091
| Property | 990061 | 990091 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 7611 × 13011 | 611 × 162311 |
| Prime factorization | 761 × 1301 | 61 × 16231 |
| Divisors count | 4 | 4 |
| Divisors | 1, 761, 1301, 990061 | 1, 61, 16231, 990091 |
| Number of properties | 1 | 1 |
| Semiprimes | 208040th | 208051st |
| Roman numberals | ||
| Base 2 | 111100011011011011012 | 111100011011100010112 |
| Base 3 | 12120220022213 | 12120220110013 |
| Base 4 | 33012312314 | 33012320234 |
| Base 5 | 2231402215 | 2231403315 |
| Base 6 | 331153416 | 331154316 |
| Base 7 | 112623227 | 112623647 |
| Base 8 | 36155558 | 36156138 |
| Base 9 | 17680879 | 17681319 |
| Base 10 | 99006110 | 99009110 |
| Base 11 | 61693611 | 61696311 |
| Base 12 | 3b8b5112 | 3b8b7712 |
| Base 13 | 28884713 | 28886b13 |
| Base 14 | 1bab4914 | 1bab6b14 |
| Base 15 | 14854115 | 14856115 |
| Base 16 | f1b6d16 | f1b8b16 |