Compare 1881 vs 1890
| Property | 1881 | 1890 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 4 |
| Total factors | 4 | 6 |
| Prime factorization | 32 × 111 × 191 | 21 × 33 × 51 × 71 |
| Prime factorization | 3 × 3 × 11 × 19 | 2 × 3 × 3 × 3 × 5 × 7 |
| Divisors count | 12 | 32 |
| Divisors | 1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881 | 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890 |
| Number of properties | 0 | 0 |
| Roman numberals | MDCCCLXXXI | MDCCCXC |
| Base 2 | 111010110012 | 111011000102 |
| Base 3 | 21202003 | 21210003 |
| Base 4 | 1311214 | 1312024 |
| Base 5 | 300115 | 300305 |
| Base 6 | 124136 | 124306 |
| Base 7 | 53257 | 53407 |
| Base 8 | 35318 | 35428 |
| Base 9 | 25209 | 25309 |
| Base 10 | 188110 | 189010 |
| Base 11 | 146011 | 146911 |
| Base 12 | 110912 | 111612 |
| Base 13 | b1913 | b2513 |
| Base 14 | 98514 | 99014 |
| Base 15 | 85615 | 86015 |
| Base 16 | 75916 | 76216 |