Compare 9980 vs 9986
| Property | 9980 | 9986 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 4991 | 21 × 49931 |
| Prime factorization | 2 × 2 × 5 × 499 | 2 × 4993 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980 | 1, 2, 4993, 9986 |
| Number of properties | 0 | 1 |
| Semiprimes | 2618th | |
| Roman numberals | ||
| Base 2 | 100110111111002 | 100111000000102 |
| Base 3 | 1112001223 | 1112002123 |
| Base 4 | 21233304 | 21300024 |
| Base 5 | 3044105 | 3044215 |
| Base 6 | 1141126 | 1141226 |
| Base 7 | 410457 | 410547 |
| Base 8 | 233748 | 234028 |
| Base 9 | 146189 | 146259 |
| Base 10 | 998010 | 998610 |
| Base 11 | 755311 | 755911 |
| Base 12 | 593812 | 594212 |
| Base 13 | 470913 | 471213 |
| Base 14 | 38cc14 | 38d414 |
| Base 15 | 2e5515 | 2e5b15 |
| Base 16 | 26fc16 | 270216 |