Compare 1881 vs 1891
Property | 1881 | 1891 |
---|---|---|
Type | composite number | semiprime |
Unique factors | 3 | 2 |
Total factors | 4 | 2 |
Prime factorization | 32 × 111 × 191 | 311 × 611 |
Prime factorization | 3 × 3 × 11 × 19 | 31 × 61 |
Divisors count | 12 | 4 |
Divisors | 1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881 | 1, 31, 61, 1891 |
Number of properties | 0 | 1 |
Semiprimes | 542nd | |
Roman numberals | MDCCCLXXXI | MDCCCXCI |
Base 2 | 111010110012 | 111011000112 |
Base 3 | 21202003 | 21210013 |
Base 4 | 1311214 | 1312034 |
Base 5 | 300115 | 300315 |
Base 6 | 124136 | 124316 |
Base 7 | 53257 | 53417 |
Base 8 | 35318 | 35438 |
Base 9 | 25209 | 25319 |
Base 10 | 188110 | 189110 |
Base 11 | 146011 | 146a11 |
Base 12 | 110912 | 111712 |
Base 13 | b1913 | b2613 |
Base 14 | 98514 | 99114 |
Base 15 | 85615 | 86115 |
Base 16 | 75916 | 76316 |