Compare 1966 vs 1977
| Property | 1966 | 1977 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 9831 | 31 × 6591 |
| Prime factorization | 2 × 983 | 3 × 659 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 983, 1966 | 1, 3, 659, 1977 |
| Number of properties | 1 | 1 |
| Semiprimes | 568th | 571st |
| Roman numberals | MCMLXVI | MCMLXXVII |
| Base 2 | 111101011102 | 111101110012 |
| Base 3 | 22002113 | 22010203 |
| Base 4 | 1322324 | 1323214 |
| Base 5 | 303315 | 304025 |
| Base 6 | 130346 | 130536 |
| Base 7 | 55067 | 55237 |
| Base 8 | 36568 | 36718 |
| Base 9 | 26249 | 26369 |
| Base 10 | 196610 | 197710 |
| Base 11 | 152811 | 153811 |
| Base 12 | 117a12 | 118912 |
| Base 13 | b8313 | b9113 |
| Base 14 | a0614 | a1314 |
| Base 15 | 8b115 | 8bc15 |
| Base 16 | 7ae16 | 7b916 |