Compare 9980 vs 9989
| Property | 9980 | 9989 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 4991 | 71 × 14271 |
| Prime factorization | 2 × 2 × 5 × 499 | 7 × 1427 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980 | 1, 7, 1427, 9989 |
| Number of properties | 0 | 1 |
| Semiprimes | 2620th | |
| Roman numberals | ||
| Base 2 | 100110111111002 | 100111000001012 |
| Base 3 | 1112001223 | 1112002223 |
| Base 4 | 21233304 | 21300114 |
| Base 5 | 3044105 | 3044245 |
| Base 6 | 1141126 | 1141256 |
| Base 7 | 410457 | 410607 |
| Base 8 | 233748 | 234058 |
| Base 9 | 146189 | 146289 |
| Base 10 | 998010 | 998910 |
| Base 11 | 755311 | 756111 |
| Base 12 | 593812 | 594512 |
| Base 13 | 470913 | 471513 |
| Base 14 | 38cc14 | 38d714 |
| Base 15 | 2e5515 | 2e5e15 |
| Base 16 | 26fc16 | 270516 |