Compare 1961 vs 1983
| Property | 1961 | 1983 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 371 × 531 | 31 × 6611 |
| Prime factorization | 37 × 53 | 3 × 661 |
| Divisors count | 4 | 4 |
| Divisors | 1, 37, 53, 1961 | 1, 3, 661, 1983 |
| Number of properties | 1 | 1 |
| Semiprimes | 566th | 574th |
| Roman numberals | MCMLXI | MCMLXXXIII |
| Base 2 | 111101010012 | 111101111112 |
| Base 3 | 22001223 | 22011103 |
| Base 4 | 1322214 | 1323334 |
| Base 5 | 303215 | 304135 |
| Base 6 | 130256 | 131036 |
| Base 7 | 55017 | 55327 |
| Base 8 | 36518 | 36778 |
| Base 9 | 26189 | 26439 |
| Base 10 | 196110 | 198310 |
| Base 11 | 152311 | 154311 |
| Base 12 | 117512 | 119312 |
| Base 13 | b7b13 | b9713 |
| Base 14 | a0114 | a1914 |
| Base 15 | 8ab15 | 8c315 |
| Base 16 | 7a916 | 7bf16 |