Compare 990161 vs 990172
| Property | 990161 | 990172 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 431 × 230271 | 22 × 731 × 33911 |
| Prime factorization | 43 × 23027 | 2 × 2 × 73 × 3391 |
| Divisors count | 4 | 12 |
| Divisors | 1, 43, 23027, 990161 | 1, 2, 4, 73, 146, 292, 3391, 6782, 13564, 247543, 495086, 990172 |
| Number of properties | 1 | 0 |
| Semiprimes | 208069th | |
| Roman numberals | ||
| Base 2 | 111100011011110100012 | 111100011011110111002 |
| Base 3 | 12120220201223 | 12120220210013 |
| Base 4 | 33012331014 | 33012331304 |
| Base 5 | 2231411215 | 2231411425 |
| Base 6 | 331200256 | 331200446 |
| Base 7 | 112625247 | 112625417 |
| Base 8 | 36157218 | 36157348 |
| Base 9 | 17682189 | 17682319 |
| Base 10 | 99016110 | 99017210 |
| Base 11 | 616a1711 | 616a2711 |
| Base 12 | 3b901512 | 3b902412 |
| Base 13 | 2888c313 | 28890113 |
| Base 14 | 1babbb14 | 1babc814 |
| Base 15 | 1485ab15 | 1485b715 |
| Base 16 | f1bd116 | f1bdc16 |