Compare 1923 vs 1945
| Property | 1923 | 1945 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6411 | 51 × 3891 |
| Prime factorization | 3 × 641 | 5 × 389 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 641, 1923 | 1, 5, 389, 1945 |
| Number of properties | 1 | 1 |
| Semiprimes | 553rd | 562nd |
| Roman numberals | MCMXXIII | MCMXLV |
| Base 2 | 111100000112 | 111100110012 |
| Base 3 | 21220203 | 22000013 |
| Base 4 | 1320034 | 1321214 |
| Base 5 | 301435 | 302405 |
| Base 6 | 125236 | 130016 |
| Base 7 | 54157 | 54467 |
| Base 8 | 36038 | 36318 |
| Base 9 | 25669 | 26019 |
| Base 10 | 192310 | 194510 |
| Base 11 | 149911 | 150911 |
| Base 12 | 114312 | 116112 |
| Base 13 | b4c13 | b6813 |
| Base 14 | 9b514 | 9cd14 |
| Base 15 | 88315 | 89a15 |
| Base 16 | 78316 | 79916 |