Compare 990157 vs 990161
| Property | 990157 | 990161 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 371 × 38231 | 431 × 230271 |
| Prime factorization | 7 × 37 × 3823 | 43 × 23027 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 37, 259, 3823, 26761, 141451, 990157 | 1, 43, 23027, 990161 |
| Number of properties | 0 | 1 |
| Semiprimes | 208069th | |
| Roman numberals | ||
| Base 2 | 111100011011110011012 | 111100011011110100012 |
| Base 3 | 12120220201113 | 12120220201223 |
| Base 4 | 33012330314 | 33012331014 |
| Base 5 | 2231411125 | 2231411215 |
| Base 6 | 331200216 | 331200256 |
| Base 7 | 112625207 | 112625247 |
| Base 8 | 36157158 | 36157218 |
| Base 9 | 17682149 | 17682189 |
| Base 10 | 99015710 | 99016110 |
| Base 11 | 616a1311 | 616a1711 |
| Base 12 | 3b901112 | 3b901512 |
| Base 13 | 2888bc13 | 2888c313 |
| Base 14 | 1babb714 | 1babbb14 |
| Base 15 | 1485a715 | 1485ab15 |
| Base 16 | f1bcd16 | f1bd116 |