Compare 990421 vs 990479
| Property | 990421 | 990479 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 5211 × 19011 | 71 × 1414971 |
| Prime factorization | 521 × 1901 | 7 × 141497 |
| Divisors count | 4 | 4 |
| Divisors | 1, 521, 1901, 990421 | 1, 7, 141497, 990479 |
| Number of properties | 1 | 1 |
| Semiprimes | 208118th | 208130th |
| Roman numberals | ||
| Base 2 | 111100011100110101012 | 111100011101000011112 |
| Base 3 | 12120221210213 | 12120222001023 |
| Base 4 | 33013031114 | 33013100334 |
| Base 5 | 2231431415 | 2231434045 |
| Base 6 | 331211416 | 331213156 |
| Base 7 | 112633457 | 112634607 |
| Base 8 | 36163258 | 36164178 |
| Base 9 | 17685379 | 17686129 |
| Base 10 | 99042110 | 99047910 |
| Base 11 | 61713311 | 61718611 |
| Base 12 | 3b91b112 | 3b923b12 |
| Base 13 | 288a6313 | 288aa913 |
| Base 14 | 1bad2514 | 1bad6714 |
| Base 15 | 1486d115 | 14871e15 |
| Base 16 | f1cd516 | f1d0f16 |