Compare 989966 vs 989977
| Property | 989966 | 989977 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 231 × 215211 | 9899771 |
| Prime factorization | 2 × 23 × 21521 | 989977 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 23, 46, 21521, 43042, 494983, 989966 | 1, 989977 |
| Number of properties | 0 | 6 |
| Chen primes | 29702nd | |
| Cousin primes (1st member) | 8088th | |
| Isolated primes | 61574th | |
| Primes | 77775th | |
| Sexy primes (2nd member) | 16240th | |
| Ulam primes | 5703rd | |
| Roman numberals | ||
| Base 2 | 111100011011000011102 | 111100011011000110012 |
| Base 3 | 12120212221023 | 12120212222113 |
| Base 4 | 33012300324 | 33012301214 |
| Base 5 | 2231343315 | 2231344025 |
| Base 6 | 331151026 | 331151216 |
| Base 7 | 112621257 | 112621427 |
| Base 8 | 36154168 | 36154318 |
| Base 9 | 17678729 | 17678849 |
| Base 10 | 98996610 | 98997710 |
| Base 11 | 61685a11 | 61686a11 |
| Base 12 | 3b8a9212 | 3b8aa112 |
| Base 13 | 2887a313 | 2887b113 |
| Base 14 | 1baabc14 | 1baac914 |
| Base 15 | 1484cb15 | 1484d715 |
| Base 16 | f1b0e16 | f1b1916 |