Compare 19990 vs 20001
| Property | 19990 | 20001 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 21 × 51 × 19991 | 31 × 591 × 1131 |
| Prime factorization | 2 × 5 × 1999 | 3 × 59 × 113 |
| Divisors count | 8 | 8 |
| Divisors | 1, 2, 5, 10, 1999, 3998, 9995, 19990 | 1, 3, 59, 113, 177, 339, 6667, 20001 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1001110000101102 | 1001110001000012 |
| Base 3 | 10001021013 | 10001022103 |
| Base 4 | 103201124 | 103202014 |
| Base 5 | 11144305 | 11200015 |
| Base 6 | 2323146 | 2323336 |
| Base 7 | 1121657 | 1122127 |
| Base 8 | 470268 | 470418 |
| Base 9 | 303719 | 303839 |
| Base 10 | 1999010 | 2000110 |
| Base 11 | 1402311 | 1403311 |
| Base 12 | b69a12 | b6a912 |
| Base 13 | 913913 | 914713 |
| Base 14 | 73dc14 | 740914 |
| Base 15 | 5dca15 | 5dd615 |
| Base 16 | 4e1616 | 4e2116 |