Compare 1945 vs 1983
| Property | 1945 | 1983 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 3891 | 31 × 6611 |
| Prime factorization | 5 × 389 | 3 × 661 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 389, 1945 | 1, 3, 661, 1983 |
| Number of properties | 1 | 1 |
| Semiprimes | 562nd | 574th |
| Roman numberals | MCMXLV | MCMLXXXIII |
| Base 2 | 111100110012 | 111101111112 |
| Base 3 | 22000013 | 22011103 |
| Base 4 | 1321214 | 1323334 |
| Base 5 | 302405 | 304135 |
| Base 6 | 130016 | 131036 |
| Base 7 | 54467 | 55327 |
| Base 8 | 36318 | 36778 |
| Base 9 | 26019 | 26439 |
| Base 10 | 194510 | 198310 |
| Base 11 | 150911 | 154311 |
| Base 12 | 116112 | 119312 |
| Base 13 | b6813 | b9713 |
| Base 14 | 9cd14 | a1914 |
| Base 15 | 89a15 | 8c315 |
| Base 16 | 79916 | 7bf16 |