Compare 1945 vs 1954
| Property | 1945 | 1954 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 3891 | 21 × 9771 |
| Prime factorization | 5 × 389 | 2 × 977 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 389, 1945 | 1, 2, 977, 1954 |
| Number of properties | 1 | 1 |
| Semiprimes | 562nd | 563rd |
| Roman numberals | MCMXLV | MCMLIV |
| Base 2 | 111100110012 | 111101000102 |
| Base 3 | 22000013 | 22001013 |
| Base 4 | 1321214 | 1322024 |
| Base 5 | 302405 | 303045 |
| Base 6 | 130016 | 130146 |
| Base 7 | 54467 | 54617 |
| Base 8 | 36318 | 36428 |
| Base 9 | 26019 | 26119 |
| Base 10 | 194510 | 195410 |
| Base 11 | 150911 | 151711 |
| Base 12 | 116112 | 116a12 |
| Base 13 | b6813 | b7413 |
| Base 14 | 9cd14 | 9d814 |
| Base 15 | 89a15 | 8a415 |
| Base 16 | 79916 | 7a216 |