Compare 1961 vs 1968
| Property | 1961 | 1968 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 371 × 531 | 24 × 31 × 411 |
| Prime factorization | 37 × 53 | 2 × 2 × 2 × 2 × 3 × 41 |
| Divisors count | 4 | 20 |
| Divisors | 1, 37, 53, 1961 | 1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968 |
| Number of properties | 1 | 0 |
| Semiprimes | 566th | |
| Roman numberals | MCMLXI | MCMLXVIII |
| Base 2 | 111101010012 | 111101100002 |
| Base 3 | 22001223 | 22002203 |
| Base 4 | 1322214 | 1323004 |
| Base 5 | 303215 | 303335 |
| Base 6 | 130256 | 130406 |
| Base 7 | 55017 | 55117 |
| Base 8 | 36518 | 36608 |
| Base 9 | 26189 | 26269 |
| Base 10 | 196110 | 196810 |
| Base 11 | 152311 | 152a11 |
| Base 12 | 117512 | 118012 |
| Base 13 | b7b13 | b8513 |
| Base 14 | a0114 | a0814 |
| Base 15 | 8ab15 | 8b315 |
| Base 16 | 7a916 | 7b016 |