Compare 990163 vs 990181
| Property | 990163 | 990181 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 9901631 | 9901811 |
| Prime factorization | 990163 | 990181 |
| Divisors count | 2 | 2 |
| Divisors | 1, 990163 | 1, 990181 |
| Number of properties | 3 | 3 |
| Chen primes | 29707th | |
| Isolated primes | 61583rd | |
| Primes | 77786th | 77789th |
| Sexy primes (1st member) | 16242nd | |
| Twin primes (2nd member) | 8103rd | |
| Roman numberals | ||
| Base 2 | 111100011011110100112 | 111100011011111001012 |
| Base 3 | 12120220202013 | 12120220211013 |
| Base 4 | 33012331034 | 33012332114 |
| Base 5 | 2231411235 | 2231412115 |
| Base 6 | 331200316 | 331201016 |
| Base 7 | 112625267 | 112625537 |
| Base 8 | 36157238 | 36157458 |
| Base 9 | 17682219 | 17682419 |
| Base 10 | 99016310 | 99018110 |
| Base 11 | 616a1911 | 616a3511 |
| Base 12 | 3b901712 | 3b903112 |
| Base 13 | 2888c513 | 28890a13 |
| Base 14 | 1babbd14 | 1babd314 |
| Base 15 | 1485ad15 | 1485c115 |
| Base 16 | f1bd316 | f1be516 |