Compare 20989 vs 20999
| Property | 20989 | 20999 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 1391 × 1511 | 111 × 231 × 831 |
| Prime factorization | 139 × 151 | 11 × 23 × 83 |
| Divisors count | 4 | 8 |
| Divisors | 1, 139, 151, 20989 | 1, 11, 23, 83, 253, 913, 1909, 20999 |
| Number of properties | 1 | 0 |
| Semiprimes | 5324th | |
| Roman numberals | ||
| Base 2 | 1010001111111012 | 1010010000001112 |
| Base 3 | 10012101013 | 10012102023 |
| Base 4 | 110133314 | 110200134 |
| Base 5 | 11324245 | 11324445 |
| Base 6 | 2411016 | 2411156 |
| Base 7 | 1151237 | 1151367 |
| Base 8 | 507758 | 510078 |
| Base 9 | 317119 | 317229 |
| Base 10 | 2098910 | 2099910 |
| Base 11 | 1485111 | 1486011 |
| Base 12 | 1019112 | 1019b12 |
| Base 13 | 972713 | 973413 |
| Base 14 | 791314 | 791d14 |
| Base 15 | 634415 | 634e15 |
| Base 16 | 51fd16 | 520716 |