Compare 1945 vs 1953
| Property | 1945 | 1953 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 3891 | 32 × 71 × 311 |
| Prime factorization | 5 × 389 | 3 × 3 × 7 × 31 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 389, 1945 | 1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953 |
| Number of properties | 1 | 0 |
| Semiprimes | 562nd | |
| Roman numberals | MCMXLV | MCMLIII |
| Base 2 | 111100110012 | 111101000012 |
| Base 3 | 22000013 | 22001003 |
| Base 4 | 1321214 | 1322014 |
| Base 5 | 302405 | 303035 |
| Base 6 | 130016 | 130136 |
| Base 7 | 54467 | 54607 |
| Base 8 | 36318 | 36418 |
| Base 9 | 26019 | 26109 |
| Base 10 | 194510 | 195310 |
| Base 11 | 150911 | 151611 |
| Base 12 | 116112 | 116912 |
| Base 13 | b6813 | b7313 |
| Base 14 | 9cd14 | 9d714 |
| Base 15 | 89a15 | 8a315 |
| Base 16 | 79916 | 7a116 |