Compare 20990 vs 20998
| Property | 20990 | 20998 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 20991 | 21 × 104991 |
| Prime factorization | 2 × 5 × 2099 | 2 × 10499 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 2099, 4198, 10495, 20990 | 1, 2, 10499, 20998 |
| Number of properties | 0 | 1 |
| Semiprimes | 5327th | |
| Roman numberals | ||
| Base 2 | 1010001111111102 | 1010010000001102 |
| Base 3 | 10012101023 | 10012102013 |
| Base 4 | 110133324 | 110200124 |
| Base 5 | 11324305 | 11324435 |
| Base 6 | 2411026 | 2411146 |
| Base 7 | 1151247 | 1151357 |
| Base 8 | 507768 | 510068 |
| Base 9 | 317129 | 317219 |
| Base 10 | 2099010 | 2099810 |
| Base 11 | 1485211 | 1485a11 |
| Base 12 | 1019212 | 1019a12 |
| Base 13 | 972813 | 973313 |
| Base 14 | 791414 | 791c14 |
| Base 15 | 634515 | 634d15 |
| Base 16 | 51fe16 | 520616 |