Compare 1923 vs 1933
| Property | 1923 | 1933 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 6411 | 19331 |
| Prime factorization | 3 × 641 | 1933 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 641, 1923 | 1, 1933 |
| Number of properties | 1 | 8 |
| Centered heptagonal primes | 8th | |
| Emirps | 94th | |
| Happy primes | 54th | |
| Harmonic primes | 109th | |
| Lucky primes | 69th | |
| Primes | 295th | |
| Pythagorean primes | 143rd | |
| Semiprimes | 553rd | |
| Twin primes (2nd member) | 59th | |
| Roman numberals | MCMXXIII | MCMXXXIII |
| Base 2 | 111100000112 | 111100011012 |
| Base 3 | 21220203 | 21221213 |
| Base 4 | 1320034 | 1320314 |
| Base 5 | 301435 | 302135 |
| Base 6 | 125236 | 125416 |
| Base 7 | 54157 | 54317 |
| Base 8 | 36038 | 36158 |
| Base 9 | 25669 | 25779 |
| Base 10 | 192310 | 193310 |
| Base 11 | 149911 | 14a811 |
| Base 12 | 114312 | 115112 |
| Base 13 | b4c13 | b5913 |
| Base 14 | 9b514 | 9c114 |
| Base 15 | 88315 | 88d15 |
| Base 16 | 78316 | 78d16 |