Compare 990401 vs 990427
| Property | 990401 | 990427 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 2271 × 43631 | 8591 × 11531 |
| Prime factorization | 227 × 4363 | 859 × 1153 |
| Divisors count | 4 | 4 |
| Divisors | 1, 227, 4363, 990401 | 1, 859, 1153, 990427 |
| Number of properties | 1 | 1 |
| Semiprimes | 208114th | 208120th |
| Roman numberals | ||
| Base 2 | 111100011100110000012 | 111100011100110110112 |
| Base 3 | 12120221201123 | 12120221211113 |
| Base 4 | 33013030014 | 33013031234 |
| Base 5 | 2231431015 | 2231432025 |
| Base 6 | 331211056 | 331211516 |
| Base 7 | 112633167 | 112633547 |
| Base 8 | 36163018 | 36163338 |
| Base 9 | 17685159 | 17685449 |
| Base 10 | 99040110 | 99042710 |
| Base 11 | 61711511 | 61713911 |
| Base 12 | 3b919512 | 3b91b712 |
| Base 13 | 288a4913 | 288a6913 |
| Base 14 | 1bad0d14 | 1bad2b14 |
| Base 15 | 1486bb15 | 1486d715 |
| Base 16 | f1cc116 | f1cdb16 |