Compare 1923 vs 1957
| Property | 1923 | 1957 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 6411 | 191 × 1031 |
| Prime factorization | 3 × 641 | 19 × 103 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 641, 1923 | 1, 19, 103, 1957 |
| Number of properties | 1 | 1 |
| Semiprimes | 553rd | 564th |
| Roman numberals | MCMXXIII | MCMLVII |
| Base 2 | 111100000112 | 111101001012 |
| Base 3 | 21220203 | 22001113 |
| Base 4 | 1320034 | 1322114 |
| Base 5 | 301435 | 303125 |
| Base 6 | 125236 | 130216 |
| Base 7 | 54157 | 54647 |
| Base 8 | 36038 | 36458 |
| Base 9 | 25669 | 26149 |
| Base 10 | 192310 | 195710 |
| Base 11 | 149911 | 151a11 |
| Base 12 | 114312 | 117112 |
| Base 13 | b4c13 | b7713 |
| Base 14 | 9b514 | 9db14 |
| Base 15 | 88315 | 8a715 |
| Base 16 | 78316 | 7a516 |