Compare 989917 vs 989921
| Property | 989917 | 989921 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9899171 | 9899211 |
| Prime factorization | 989917 | 989921 |
| Divisors count | 2 | 2 |
| Divisors | 1, 989917 | 1, 989921 |
| Number of properties | 5 | 3 |
| Additive primes | 29850th | |
| Cousin primes (1st member) | 8087th | |
| Cousin primes (2nd member) | 8087th | |
| Emirps | 10950th | |
| Isolated primes | 61567th | 61568th |
| Primes | 77768th | 77769th |
| Roman numberals | ||
| Base 2 | 111100011010110111012 | 111100011010111000012 |
| Base 3 | 12120212201213 | 12120212202023 |
| Base 4 | 33012231314 | 33012232014 |
| Base 5 | 2231341325 | 2231341415 |
| Base 6 | 331145416 | 331145456 |
| Base 7 | 112620257 | 112620327 |
| Base 8 | 36153358 | 36153418 |
| Base 9 | 17678179 | 17678229 |
| Base 10 | 98991710 | 98992110 |
| Base 11 | 61681511 | 61681911 |
| Base 12 | 3b8a5112 | 3b8a5512 |
| Base 13 | 28876613 | 28876a13 |
| Base 14 | 1baa8514 | 1baa8914 |
| Base 15 | 14849715 | 14849b15 |
| Base 16 | f1add16 | f1ae116 |