Compare 1961 vs 1967
| Property | 1961 | 1967 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 371 × 531 | 71 × 2811 |
| Prime factorization | 37 × 53 | 7 × 281 |
| Divisors count | 4 | 4 |
| Divisors | 1, 37, 53, 1961 | 1, 7, 281, 1967 |
| Number of properties | 1 | 1 |
| Semiprimes | 566th | 569th |
| Roman numberals | MCMLXI | MCMLXVII |
| Base 2 | 111101010012 | 111101011112 |
| Base 3 | 22001223 | 22002123 |
| Base 4 | 1322214 | 1322334 |
| Base 5 | 303215 | 303325 |
| Base 6 | 130256 | 130356 |
| Base 7 | 55017 | 55107 |
| Base 8 | 36518 | 36578 |
| Base 9 | 26189 | 26259 |
| Base 10 | 196110 | 196710 |
| Base 11 | 152311 | 152911 |
| Base 12 | 117512 | 117b12 |
| Base 13 | b7b13 | b8413 |
| Base 14 | a0114 | a0714 |
| Base 15 | 8ab15 | 8b215 |
| Base 16 | 7a916 | 7af16 |