Compare 1966 vs 1971
| Property | 1966 | 1971 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 9831 | 33 × 731 |
| Prime factorization | 2 × 983 | 3 × 3 × 3 × 73 |
| Divisors count | 4 | 8 |
| Divisors | 1, 2, 983, 1966 | 1, 3, 9, 27, 73, 219, 657, 1971 |
| Number of properties | 1 | 0 |
| Semiprimes | 568th | |
| Roman numberals | MCMLXVI | MCMLXXI |
| Base 2 | 111101011102 | 111101100112 |
| Base 3 | 22002113 | 22010003 |
| Base 4 | 1322324 | 1323034 |
| Base 5 | 303315 | 303415 |
| Base 6 | 130346 | 130436 |
| Base 7 | 55067 | 55147 |
| Base 8 | 36568 | 36638 |
| Base 9 | 26249 | 26309 |
| Base 10 | 196610 | 197110 |
| Base 11 | 152811 | 153211 |
| Base 12 | 117a12 | 118312 |
| Base 13 | b8313 | b8813 |
| Base 14 | a0614 | a0b14 |
| Base 15 | 8b115 | 8b615 |
| Base 16 | 7ae16 | 7b316 |