Compare 20990 vs 20999
| Property | 20990 | 20999 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 51 × 20991 | 111 × 231 × 831 |
| Prime factorization | 2 × 5 × 2099 | 11 × 23 × 83 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 5, 10, 2099, 4198, 10495, 20990 | 1, 11, 23, 83, 253, 913, 1909, 20999 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010001111111102 | 1010010000001112 |
| Base 3 | 10012101023 | 10012102023 |
| Base 4 | 110133324 | 110200134 |
| Base 5 | 11324305 | 11324445 |
| Base 6 | 2411026 | 2411156 |
| Base 7 | 1151247 | 1151367 |
| Base 8 | 507768 | 510078 |
| Base 9 | 317129 | 317229 |
| Base 10 | 2099010 | 2099910 |
| Base 11 | 1485211 | 1486011 |
| Base 12 | 1019212 | 1019b12 |
| Base 13 | 972813 | 973413 |
| Base 14 | 791414 | 791d14 |
| Base 15 | 634515 | 634e15 |
| Base 16 | 51fe16 | 520716 |