Compare 1880 vs 1891
| Property | 1880 | 1891 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 51 × 471 | 311 × 611 |
| Prime factorization | 2 × 2 × 2 × 5 × 47 | 31 × 61 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880 | 1, 31, 61, 1891 |
| Number of properties | 0 | 1 |
| Semiprimes | 542nd | |
| Roman numberals | MDCCCLXXX | MDCCCXCI |
| Base 2 | 111010110002 | 111011000112 |
| Base 3 | 21201223 | 21210013 |
| Base 4 | 1311204 | 1312034 |
| Base 5 | 300105 | 300315 |
| Base 6 | 124126 | 124316 |
| Base 7 | 53247 | 53417 |
| Base 8 | 35308 | 35438 |
| Base 9 | 25189 | 25319 |
| Base 10 | 188010 | 189110 |
| Base 11 | 145a11 | 146a11 |
| Base 12 | 110812 | 111712 |
| Base 13 | b1813 | b2613 |
| Base 14 | 98414 | 99114 |
| Base 15 | 85515 | 86115 |
| Base 16 | 75816 | 76316 |