Compare 990159 vs 990169
| Property | 990159 | 990169 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 3300531 | 9901691 |
| Prime factorization | 3 × 330053 | 990169 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 330053, 990159 | 1, 990169 |
| Number of properties | 1 | 4 |
| Emirps | 10954th | |
| Isolated primes | 61584th | |
| Primes | 77787th | |
| Semiprimes | 208068th | |
| Sexy primes (2nd member) | 16242nd | |
| Roman numberals | ||
| Base 2 | 111100011011110011112 | 111100011011110110012 |
| Base 3 | 12120220201203 | 12120220202213 |
| Base 4 | 33012330334 | 33012331214 |
| Base 5 | 2231411145 | 2231411345 |
| Base 6 | 331200236 | 331200416 |
| Base 7 | 112625227 | 112625357 |
| Base 8 | 36157178 | 36157318 |
| Base 9 | 17682169 | 17682279 |
| Base 10 | 99015910 | 99016910 |
| Base 11 | 616a1511 | 616a2411 |
| Base 12 | 3b901312 | 3b902112 |
| Base 13 | 2888c113 | 2888cb13 |
| Base 14 | 1babb914 | 1babc514 |
| Base 15 | 1485a915 | 1485b415 |
| Base 16 | f1bcf16 | f1bd916 |