Compare 989916 vs 989921
| Property | 989916 | 989921 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 22 × 31 × 824931 | 9899211 |
| Prime factorization | 2 × 2 × 3 × 82493 | 989921 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 3, 4, 6, 12, 82493, 164986, 247479, 329972, 494958, 989916 | 1, 989921 |
| Number of properties | 0 | 3 |
| Cousin primes (2nd member) | 8087th | |
| Isolated primes | 61568th | |
| Primes | 77769th | |
| Roman numberals | ||
| Base 2 | 111100011010110111002 | 111100011010111000012 |
| Base 3 | 12120212201203 | 12120212202023 |
| Base 4 | 33012231304 | 33012232014 |
| Base 5 | 2231341315 | 2231341415 |
| Base 6 | 331145406 | 331145456 |
| Base 7 | 112620247 | 112620327 |
| Base 8 | 36153348 | 36153418 |
| Base 9 | 17678169 | 17678229 |
| Base 10 | 98991610 | 98992110 |
| Base 11 | 61681411 | 61681911 |
| Base 12 | 3b8a5012 | 3b8a5512 |
| Base 13 | 28876513 | 28876a13 |
| Base 14 | 1baa8414 | 1baa8914 |
| Base 15 | 14849615 | 14849b15 |
| Base 16 | f1adc16 | f1ae116 |