Compare 989978 vs 989981
| Property | 989978 | 989981 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 111 × 171 × 26471 | 9899811 |
| Prime factorization | 2 × 11 × 17 × 2647 | 989981 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 11, 17, 22, 34, 187, 374, 2647, 5294, 29117, 44999, 58234, 89998, 494989, 989978 | 1, 989981 |
| Number of properties | 0 | 5 |
| Chen primes | 29703rd | |
| Cousin primes (2nd member) | 8088th | |
| Emirps | 10953rd | |
| Isolated primes | 61575th | |
| Primes | 77776th | |
| Roman numberals | ||
| Base 2 | 111100011011000110102 | 111100011011000111012 |
| Base 3 | 12120212222123 | 12120212222223 |
| Base 4 | 33012301224 | 33012301314 |
| Base 5 | 2231344035 | 2231344115 |
| Base 6 | 331151226 | 331151256 |
| Base 7 | 112621437 | 112621467 |
| Base 8 | 36154328 | 36154358 |
| Base 9 | 17678859 | 17678889 |
| Base 10 | 98997810 | 98998110 |
| Base 11 | 61687011 | 61687311 |
| Base 12 | 3b8aa212 | 3b8aa512 |
| Base 13 | 2887b213 | 2887b513 |
| Base 14 | 1baaca14 | 1baacd14 |
| Base 15 | 1484d815 | 1484db15 |
| Base 16 | f1b1a16 | f1b1d16 |