Compare 1978 vs 1983
| Property | 1978 | 1983 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 231 × 431 | 31 × 6611 |
| Prime factorization | 2 × 23 × 43 | 3 × 661 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 23, 43, 46, 86, 989, 1978 | 1, 3, 661, 1983 |
| Number of properties | 0 | 1 |
| Semiprimes | 574th | |
| Roman numberals | MCMLXXVIII | MCMLXXXIII |
| Base 2 | 111101110102 | 111101111112 |
| Base 3 | 22010213 | 22011103 |
| Base 4 | 1323224 | 1323334 |
| Base 5 | 304035 | 304135 |
| Base 6 | 130546 | 131036 |
| Base 7 | 55247 | 55327 |
| Base 8 | 36728 | 36778 |
| Base 9 | 26379 | 26439 |
| Base 10 | 197810 | 198310 |
| Base 11 | 153911 | 154311 |
| Base 12 | 118a12 | 119312 |
| Base 13 | b9213 | b9713 |
| Base 14 | a1414 | a1914 |
| Base 15 | 8bd15 | 8c315 |
| Base 16 | 7ba16 | 7bf16 |