Compare 990021 vs 990029
| Property | 990021 | 990029 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 3311 × 9971 | 171 × 582371 |
| Prime factorization | 3 × 331 × 997 | 17 × 58237 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 331, 993, 997, 2991, 330007, 990021 | 1, 17, 58237, 990029 |
| Number of properties | 0 | 1 |
| Semiprimes | 208034th | |
| Roman numberals | ||
| Base 2 | 111100011011010001012 | 111100011011010011012 |
| Base 3 | 12120220011103 | 12120220012023 |
| Base 4 | 33012310114 | 33012310314 |
| Base 5 | 2231400415 | 2231401045 |
| Base 6 | 331152336 | 331152456 |
| Base 7 | 112622347 | 112622457 |
| Base 8 | 36155058 | 36155158 |
| Base 9 | 17680439 | 17680529 |
| Base 10 | 99002110 | 99002910 |
| Base 11 | 6168aa11 | 61690711 |
| Base 12 | 3b8b1912 | 3b8b2512 |
| Base 13 | 28881613 | 28882113 |
| Base 14 | 1bab1b14 | 1bab2514 |
| Base 15 | 14851615 | 14851e15 |
| Base 16 | f1b4516 | f1b4d16 |