Compare 20990 vs 20993
| Property | 20990 | 20993 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 20991 | 71 × 29991 |
| Prime factorization | 2 × 5 × 2099 | 7 × 2999 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 2099, 4198, 10495, 20990 | 1, 7, 2999, 20993 |
| Number of properties | 0 | 1 |
| Semiprimes | 5326th | |
| Roman numberals | ||
| Base 2 | 1010001111111102 | 1010010000000012 |
| Base 3 | 10012101023 | 10012101123 |
| Base 4 | 110133324 | 110200014 |
| Base 5 | 11324305 | 11324335 |
| Base 6 | 2411026 | 2411056 |
| Base 7 | 1151247 | 1151307 |
| Base 8 | 507768 | 510018 |
| Base 9 | 317129 | 317159 |
| Base 10 | 2099010 | 2099310 |
| Base 11 | 1485211 | 1485511 |
| Base 12 | 1019212 | 1019512 |
| Base 13 | 972813 | 972b13 |
| Base 14 | 791414 | 791714 |
| Base 15 | 634515 | 634815 |
| Base 16 | 51fe16 | 520116 |