Compare 990157 vs 990163
| Property | 990157 | 990163 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 371 × 38231 | 9901631 |
| Prime factorization | 7 × 37 × 3823 | 990163 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 37, 259, 3823, 26761, 141451, 990157 | 1, 990163 |
| Number of properties | 0 | 3 |
| Isolated primes | 61583rd | |
| Primes | 77786th | |
| Sexy primes (1st member) | 16242nd | |
| Roman numberals | ||
| Base 2 | 111100011011110011012 | 111100011011110100112 |
| Base 3 | 12120220201113 | 12120220202013 |
| Base 4 | 33012330314 | 33012331034 |
| Base 5 | 2231411125 | 2231411235 |
| Base 6 | 331200216 | 331200316 |
| Base 7 | 112625207 | 112625267 |
| Base 8 | 36157158 | 36157238 |
| Base 9 | 17682149 | 17682219 |
| Base 10 | 99015710 | 99016310 |
| Base 11 | 616a1311 | 616a1911 |
| Base 12 | 3b901112 | 3b901712 |
| Base 13 | 2888bc13 | 2888c513 |
| Base 14 | 1babb714 | 1babbd14 |
| Base 15 | 1485a715 | 1485ad15 |
| Base 16 | f1bcd16 | f1bd316 |