Compare 9979 vs 9980
| Property | 9979 | 9980 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 171 × 5871 | 22 × 51 × 4991 |
| Prime factorization | 17 × 587 | 2 × 2 × 5 × 499 |
| Divisors count | 4 | 12 |
| Divisors | 1, 17, 587, 9979 | 1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980 |
| Number of properties | 1 | 0 |
| Semiprimes | 2615th | |
| Roman numberals | ||
| Base 2 | 100110111110112 | 100110111111002 |
| Base 3 | 1112001213 | 1112001223 |
| Base 4 | 21233234 | 21233304 |
| Base 5 | 3044045 | 3044105 |
| Base 6 | 1141116 | 1141126 |
| Base 7 | 410447 | 410457 |
| Base 8 | 233738 | 233748 |
| Base 9 | 146179 | 146189 |
| Base 10 | 997910 | 998010 |
| Base 11 | 755211 | 755311 |
| Base 12 | 593712 | 593812 |
| Base 13 | 470813 | 470913 |
| Base 14 | 38cb14 | 38cc14 |
| Base 15 | 2e5415 | 2e5515 |
| Base 16 | 26fb16 | 26fc16 |