Compare 1930 vs 1933
| Property | 1930 | 1933 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 1931 | 19331 |
| Prime factorization | 2 × 5 × 193 | 1933 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 193, 386, 965, 1930 | 1, 1933 |
| Number of properties | 0 | 8 |
| Centered heptagonal primes | 8th | |
| Emirps | 94th | |
| Happy primes | 54th | |
| Harmonic primes | 109th | |
| Lucky primes | 69th | |
| Primes | 295th | |
| Pythagorean primes | 143rd | |
| Twin primes (2nd member) | 59th | |
| Roman numberals | MCMXXX | MCMXXXIII |
| Base 2 | 111100010102 | 111100011012 |
| Base 3 | 21221113 | 21221213 |
| Base 4 | 1320224 | 1320314 |
| Base 5 | 302105 | 302135 |
| Base 6 | 125346 | 125416 |
| Base 7 | 54257 | 54317 |
| Base 8 | 36128 | 36158 |
| Base 9 | 25749 | 25779 |
| Base 10 | 193010 | 193310 |
| Base 11 | 14a511 | 14a811 |
| Base 12 | 114a12 | 115112 |
| Base 13 | b5613 | b5913 |
| Base 14 | 9bc14 | 9c114 |
| Base 15 | 88a15 | 88d15 |
| Base 16 | 78a16 | 78d16 |