Compare 19987 vs 19999
| Property | 19987 | 19999 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 111 × 231 × 791 | 71 × 28571 |
| Prime factorization | 11 × 23 × 79 | 7 × 2857 |
| Divisors count | 8 | 4 |
| Divisors | 1, 11, 23, 79, 253, 869, 1817, 19987 | 1, 7, 2857, 19999 |
| Number of properties | 0 | 1 |
| Semiprimes | 5081st | |
| Roman numberals | ||
| Base 2 | 1001110000100112 | 1001110000111112 |
| Base 3 | 10001020213 | 10001022013 |
| Base 4 | 103201034 | 103201334 |
| Base 5 | 11144225 | 11144445 |
| Base 6 | 2323116 | 2323316 |
| Base 7 | 1121627 | 1122107 |
| Base 8 | 470238 | 470378 |
| Base 9 | 303679 | 303819 |
| Base 10 | 1998710 | 1999910 |
| Base 11 | 1402011 | 1403111 |
| Base 12 | b69712 | b6a712 |
| Base 13 | 913613 | 914513 |
| Base 14 | 73d914 | 740714 |
| Base 15 | 5dc715 | 5dd415 |
| Base 16 | 4e1316 | 4e1f16 |