Compare 1945 vs 1956
| Property | 1945 | 1956 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 51 × 3891 | 22 × 31 × 1631 |
| Prime factorization | 5 × 389 | 2 × 2 × 3 × 163 |
| Divisors count | 4 | 12 |
| Divisors | 1, 5, 389, 1945 | 1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956 |
| Number of properties | 1 | 0 |
| Semiprimes | 562nd | |
| Roman numberals | MCMXLV | MCMLVI |
| Base 2 | 111100110012 | 111101001002 |
| Base 3 | 22000013 | 22001103 |
| Base 4 | 1321214 | 1322104 |
| Base 5 | 302405 | 303115 |
| Base 6 | 130016 | 130206 |
| Base 7 | 54467 | 54637 |
| Base 8 | 36318 | 36448 |
| Base 9 | 26019 | 26139 |
| Base 10 | 194510 | 195610 |
| Base 11 | 150911 | 151911 |
| Base 12 | 116112 | 117012 |
| Base 13 | b6813 | b7613 |
| Base 14 | 9cd14 | 9da14 |
| Base 15 | 89a15 | 8a615 |
| Base 16 | 79916 | 7a416 |