Compare 989921 vs 989981
| Property | 989921 | 989981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9899211 | 9899811 |
| Prime factorization | 989921 | 989981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 989921 | 1, 989981 |
| Number of properties | 3 | 5 |
| Chen primes | 29703rd | |
| Cousin primes (2nd member) | 8087th | 8088th |
| Emirps | 10953rd | |
| Isolated primes | 61568th | 61575th |
| Primes | 77769th | 77776th |
| Roman numberals | ||
| Base 2 | 111100011010111000012 | 111100011011000111012 |
| Base 3 | 12120212202023 | 12120212222223 |
| Base 4 | 33012232014 | 33012301314 |
| Base 5 | 2231341415 | 2231344115 |
| Base 6 | 331145456 | 331151256 |
| Base 7 | 112620327 | 112621467 |
| Base 8 | 36153418 | 36154358 |
| Base 9 | 17678229 | 17678889 |
| Base 10 | 98992110 | 98998110 |
| Base 11 | 61681911 | 61687311 |
| Base 12 | 3b8a5512 | 3b8aa512 |
| Base 13 | 28876a13 | 2887b513 |
| Base 14 | 1baa8914 | 1baacd14 |
| Base 15 | 14849b15 | 1484db15 |
| Base 16 | f1ae116 | f1b1d16 |