Compare 1982 vs 1989
| Property | 1982 | 1989 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 9911 | 32 × 131 × 171 |
| Prime factorization | 2 × 991 | 3 × 3 × 13 × 17 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 991, 1982 | 1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989 |
| Number of properties | 1 | 0 |
| Semiprimes | 573rd | |
| Roman numberals | MCMLXXXII | MCMLXXXIX |
| Base 2 | 111101111102 | 111110001012 |
| Base 3 | 22011023 | 22012003 |
| Base 4 | 1323324 | 1330114 |
| Base 5 | 304125 | 304245 |
| Base 6 | 131026 | 131136 |
| Base 7 | 55317 | 55417 |
| Base 8 | 36768 | 37058 |
| Base 9 | 26429 | 26509 |
| Base 10 | 198210 | 198910 |
| Base 11 | 154211 | 154911 |
| Base 12 | 119212 | 119912 |
| Base 13 | b9613 | ba013 |
| Base 14 | a1814 | a2114 |
| Base 15 | 8c215 | 8c915 |
| Base 16 | 7be16 | 7c516 |