Compare 1918 vs 1930
| Property | 1918 | 1930 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 71 × 1371 | 21 × 51 × 1931 |
| Prime factorization | 2 × 7 × 137 | 2 × 5 × 193 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 7, 14, 137, 274, 959, 1918 | 1, 2, 5, 10, 193, 386, 965, 1930 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMXVIII | MCMXXX |
| Base 2 | 111011111102 | 111100010102 |
| Base 3 | 21220013 | 21221113 |
| Base 4 | 1313324 | 1320224 |
| Base 5 | 301335 | 302105 |
| Base 6 | 125146 | 125346 |
| Base 7 | 54107 | 54257 |
| Base 8 | 35768 | 36128 |
| Base 9 | 25619 | 25749 |
| Base 10 | 191810 | 193010 |
| Base 11 | 149411 | 14a511 |
| Base 12 | 113a12 | 114a12 |
| Base 13 | b4713 | b5613 |
| Base 14 | 9b014 | 9bc14 |
| Base 15 | 87d15 | 88a15 |
| Base 16 | 77e16 | 78a16 |