Compare 989921 vs 989930
| Property | 989921 | 989930 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 9899211 | 21 × 51 × 989931 |
| Prime factorization | 989921 | 2 × 5 × 98993 |
| Divisors count | 2 | 8 |
| Divisors | 1, 989921 | 1, 2, 5, 10, 98993, 197986, 494965, 989930 |
| Number of properties | 3 | 0 |
| Cousin primes (2nd member) | 8087th | |
| Isolated primes | 61568th | |
| Primes | 77769th | |
| Roman numberals | ||
| Base 2 | 111100011010111000012 | 111100011010111010102 |
| Base 3 | 12120212202023 | 12120212210023 |
| Base 4 | 33012232014 | 33012232224 |
| Base 5 | 2231341415 | 2231342105 |
| Base 6 | 331145456 | 331150026 |
| Base 7 | 112620327 | 112620447 |
| Base 8 | 36153418 | 36153528 |
| Base 9 | 17678229 | 17678329 |
| Base 10 | 98992110 | 98993010 |
| Base 11 | 61681911 | 61682711 |
| Base 12 | 3b8a5512 | 3b8a6212 |
| Base 13 | 28876a13 | 28877613 |
| Base 14 | 1baa8914 | 1baa9414 |
| Base 15 | 14849b15 | 1484a515 |
| Base 16 | f1ae116 | f1aea16 |