Compare 1971 vs 1982
| Property | 1971 | 1982 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 33 × 731 | 21 × 9911 |
| Prime factorization | 3 × 3 × 3 × 73 | 2 × 991 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 9, 27, 73, 219, 657, 1971 | 1, 2, 991, 1982 |
| Number of properties | 0 | 1 |
| Semiprimes | 573rd | |
| Roman numberals | MCMLXXI | MCMLXXXII |
| Base 2 | 111101100112 | 111101111102 |
| Base 3 | 22010003 | 22011023 |
| Base 4 | 1323034 | 1323324 |
| Base 5 | 303415 | 304125 |
| Base 6 | 130436 | 131026 |
| Base 7 | 55147 | 55317 |
| Base 8 | 36638 | 36768 |
| Base 9 | 26309 | 26429 |
| Base 10 | 197110 | 198210 |
| Base 11 | 153211 | 154211 |
| Base 12 | 118312 | 119212 |
| Base 13 | b8813 | b9613 |
| Base 14 | a0b14 | a1814 |
| Base 15 | 8b615 | 8c215 |
| Base 16 | 7b316 | 7be16 |