Compare 1966 vs 1972
| Property | 1966 | 1972 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 21 × 9831 | 22 × 171 × 291 |
| Prime factorization | 2 × 983 | 2 × 2 × 17 × 29 |
| Divisors count | 4 | 12 |
| Divisors | 1, 2, 983, 1966 | 1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972 |
| Number of properties | 1 | 0 |
| Semiprimes | 568th | |
| Roman numberals | MCMLXVI | MCMLXXII |
| Base 2 | 111101011102 | 111101101002 |
| Base 3 | 22002113 | 22010013 |
| Base 4 | 1322324 | 1323104 |
| Base 5 | 303315 | 303425 |
| Base 6 | 130346 | 130446 |
| Base 7 | 55067 | 55157 |
| Base 8 | 36568 | 36648 |
| Base 9 | 26249 | 26319 |
| Base 10 | 196610 | 197210 |
| Base 11 | 152811 | 153311 |
| Base 12 | 117a12 | 118412 |
| Base 13 | b8313 | b8913 |
| Base 14 | a0614 | a0c14 |
| Base 15 | 8b115 | 8b715 |
| Base 16 | 7ae16 | 7b416 |