Compare 1978 vs 1982
| Property | 1978 | 1982 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 231 × 431 | 21 × 9911 |
| Prime factorization | 2 × 23 × 43 | 2 × 991 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 23, 43, 46, 86, 989, 1978 | 1, 2, 991, 1982 |
| Number of properties | 0 | 1 |
| Semiprimes | 573rd | |
| Roman numberals | MCMLXXVIII | MCMLXXXII |
| Base 2 | 111101110102 | 111101111102 |
| Base 3 | 22010213 | 22011023 |
| Base 4 | 1323224 | 1323324 |
| Base 5 | 304035 | 304125 |
| Base 6 | 130546 | 131026 |
| Base 7 | 55247 | 55317 |
| Base 8 | 36728 | 36768 |
| Base 9 | 26379 | 26429 |
| Base 10 | 197810 | 198210 |
| Base 11 | 153911 | 154211 |
| Base 12 | 118a12 | 119212 |
| Base 13 | b9213 | b9613 |
| Base 14 | a1414 | a1814 |
| Base 15 | 8bd15 | 8c215 |
| Base 16 | 7ba16 | 7be16 |