Compare 989905 vs 989917
| Property | 989905 | 989917 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 71 × 282831 | 9899171 |
| Prime factorization | 5 × 7 × 28283 | 989917 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 7, 35, 28283, 141415, 197981, 989905 | 1, 989917 |
| Number of properties | 0 | 5 |
| Additive primes | 29850th | |
| Cousin primes (1st member) | 8087th | |
| Emirps | 10950th | |
| Isolated primes | 61567th | |
| Primes | 77768th | |
| Roman numberals | ||
| Base 2 | 111100011010110100012 | 111100011010110111012 |
| Base 3 | 12120212200113 | 12120212201213 |
| Base 4 | 33012231014 | 33012231314 |
| Base 5 | 2231341105 | 2231341325 |
| Base 6 | 331145216 | 331145416 |
| Base 7 | 112620107 | 112620257 |
| Base 8 | 36153218 | 36153358 |
| Base 9 | 17678049 | 17678179 |
| Base 10 | 98990510 | 98991710 |
| Base 11 | 61680411 | 61681511 |
| Base 12 | 3b8a4112 | 3b8a5112 |
| Base 13 | 28875713 | 28876613 |
| Base 14 | 1baa7714 | 1baa8514 |
| Base 15 | 14848a15 | 14849715 |
| Base 16 | f1ad116 | f1add16 |