Compare 1911 vs 1918
| Property | 1911 | 1918 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 31 × 72 × 131 | 21 × 71 × 1371 |
| Prime factorization | 3 × 7 × 7 × 13 | 2 × 7 × 137 |
| Divisors count | 12 | 8 |
| Divisors | 1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911 | 1, 2, 7, 14, 137, 274, 959, 1918 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMXI | MCMXVIII |
| Base 2 | 111011101112 | 111011111102 |
| Base 3 | 21212103 | 21220013 |
| Base 4 | 1313134 | 1313324 |
| Base 5 | 301215 | 301335 |
| Base 6 | 125036 | 125146 |
| Base 7 | 54007 | 54107 |
| Base 8 | 35678 | 35768 |
| Base 9 | 25539 | 25619 |
| Base 10 | 191110 | 191810 |
| Base 11 | 148811 | 149411 |
| Base 12 | 113312 | 113a12 |
| Base 13 | b4013 | b4713 |
| Base 14 | 9a714 | 9b014 |
| Base 15 | 87615 | 87d15 |
| Base 16 | 77716 | 77e16 |