Compare 20985 vs 20990
| Property | 20985 | 20990 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 31 × 51 × 13991 | 21 × 51 × 20991 |
| Prime factorization | 3 × 5 × 1399 | 2 × 5 × 2099 |
| Divisors count | 8 | 8 |
| Divisors | 1, 3, 5, 15, 1399, 4197, 6995, 20985 | 1, 2, 5, 10, 2099, 4198, 10495, 20990 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010001111110012 | 1010001111111102 |
| Base 3 | 10012100203 | 10012101023 |
| Base 4 | 110133214 | 110133324 |
| Base 5 | 11324205 | 11324305 |
| Base 6 | 2410536 | 2411026 |
| Base 7 | 1151167 | 1151247 |
| Base 8 | 507718 | 507768 |
| Base 9 | 317069 | 317129 |
| Base 10 | 2098510 | 2099010 |
| Base 11 | 1484811 | 1485211 |
| Base 12 | 1018912 | 1019212 |
| Base 13 | 972313 | 972813 |
| Base 14 | 790d14 | 791414 |
| Base 15 | 634015 | 634515 |
| Base 16 | 51f916 | 51fe16 |