Compare 989981 vs 990181
| Property | 989981 | 990181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9899811 | 9901811 |
| Prime factorization | 989981 | 990181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 989981 | 1, 990181 |
| Number of properties | 5 | 3 |
| Chen primes | 29703rd | 29707th |
| Cousin primes (2nd member) | 8088th | |
| Emirps | 10953rd | |
| Isolated primes | 61575th | |
| Primes | 77776th | 77789th |
| Twin primes (2nd member) | 8103rd | |
| Roman numberals | ||
| Base 2 | 111100011011000111012 | 111100011011111001012 |
| Base 3 | 12120212222223 | 12120220211013 |
| Base 4 | 33012301314 | 33012332114 |
| Base 5 | 2231344115 | 2231412115 |
| Base 6 | 331151256 | 331201016 |
| Base 7 | 112621467 | 112625537 |
| Base 8 | 36154358 | 36157458 |
| Base 9 | 17678889 | 17682419 |
| Base 10 | 98998110 | 99018110 |
| Base 11 | 61687311 | 616a3511 |
| Base 12 | 3b8aa512 | 3b903112 |
| Base 13 | 2887b513 | 28890a13 |
| Base 14 | 1baacd14 | 1babd314 |
| Base 15 | 1484db15 | 1485c115 |
| Base 16 | f1b1d16 | f1be516 |