Compare 1911 vs 1920
| Property | 1911 | 1920 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 4 | 9 |
| Prime factorization | 31 × 72 × 131 | 27 × 31 × 51 |
| Prime factorization | 3 × 7 × 7 × 13 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 |
| Divisors count | 12 | 32 |
| Divisors | 1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911 | 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920 |
| Number of properties | 0 | 0 |
| Roman numberals | MCMXI | MCMXX |
| Base 2 | 111011101112 | 111100000002 |
| Base 3 | 21212103 | 21220103 |
| Base 4 | 1313134 | 1320004 |
| Base 5 | 301215 | 301405 |
| Base 6 | 125036 | 125206 |
| Base 7 | 54007 | 54127 |
| Base 8 | 35678 | 36008 |
| Base 9 | 25539 | 25639 |
| Base 10 | 191110 | 192010 |
| Base 11 | 148811 | 149611 |
| Base 12 | 113312 | 114012 |
| Base 13 | b4013 | b4913 |
| Base 14 | 9a714 | 9b214 |
| Base 15 | 87615 | 88015 |
| Base 16 | 77716 | 78016 |