Compare 19999 vs 20000
| Property | 19999 | 20000 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 9 |
| Prime factorization | 71 × 28571 | 25 × 54 |
| Prime factorization | 7 × 2857 | 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 |
| Divisors count | 4 | 30 |
| Divisors | 1, 7, 2857, 19999 | 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 10000, 20000 |
| Number of properties | 1 | 0 |
| Semiprimes | 5081st | |
| Roman numberals | ||
| Base 2 | 1001110000111112 | 1001110001000002 |
| Base 3 | 10001022013 | 10001022023 |
| Base 4 | 103201334 | 103202004 |
| Base 5 | 11144445 | 11200005 |
| Base 6 | 2323316 | 2323326 |
| Base 7 | 1122107 | 1122117 |
| Base 8 | 470378 | 470408 |
| Base 9 | 303819 | 303829 |
| Base 10 | 1999910 | 2000010 |
| Base 11 | 1403111 | 1403211 |
| Base 12 | b6a712 | b6a812 |
| Base 13 | 914513 | 914613 |
| Base 14 | 740714 | 740814 |
| Base 15 | 5dd415 | 5dd515 |
| Base 16 | 4e1f16 | 4e2016 |