Compare 20982 vs 20991
| Property | 20982 | 20991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 131 × 2691 | 31 × 69971 |
| Prime factorization | 2 × 3 × 13 × 269 | 3 × 6997 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 6, 13, 26, 39, 78, 269, 538, 807, 1614, 3497, 6994, 10491, 20982 | 1, 3, 6997, 20991 |
| Number of properties | 0 | 1 |
| Semiprimes | 5325th | |
| Roman numberals | ||
| Base 2 | 1010001111101102 | 1010001111111112 |
| Base 3 | 10012100103 | 10012101103 |
| Base 4 | 110133124 | 110133334 |
| Base 5 | 11324125 | 11324315 |
| Base 6 | 2410506 | 2411036 |
| Base 7 | 1151137 | 1151257 |
| Base 8 | 507668 | 507778 |
| Base 9 | 317039 | 317139 |
| Base 10 | 2098210 | 2099110 |
| Base 11 | 1484511 | 1485311 |
| Base 12 | 1018612 | 1019312 |
| Base 13 | 972013 | 972913 |
| Base 14 | 790a14 | 791514 |
| Base 15 | 633c15 | 634615 |
| Base 16 | 51f616 | 51ff16 |