Compare 989911 vs 989921
| Property | 989911 | 989921 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 761471 | 9899211 |
| Prime factorization | 13 × 76147 | 989921 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 76147, 989911 | 1, 989921 |
| Number of properties | 1 | 3 |
| Cousin primes (2nd member) | 8087th | |
| Isolated primes | 61568th | |
| Primes | 77769th | |
| Semiprimes | 208018th | |
| Roman numberals | ||
| Base 2 | 111100011010110101112 | 111100011010111000012 |
| Base 3 | 12120212201013 | 12120212202023 |
| Base 4 | 33012231134 | 33012232014 |
| Base 5 | 2231341215 | 2231341415 |
| Base 6 | 331145316 | 331145456 |
| Base 7 | 112620167 | 112620327 |
| Base 8 | 36153278 | 36153418 |
| Base 9 | 17678119 | 17678229 |
| Base 10 | 98991110 | 98992110 |
| Base 11 | 61680a11 | 61681911 |
| Base 12 | 3b8a4712 | 3b8a5512 |
| Base 13 | 28876013 | 28876a13 |
| Base 14 | 1baa7d14 | 1baa8914 |
| Base 15 | 14849115 | 14849b15 |
| Base 16 | f1ad716 | f1ae116 |