Compare 990169 vs 990173
| Property | 990169 | 990173 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 9901691 | 231 × 430511 |
| Prime factorization | 990169 | 23 × 43051 |
| Divisors count | 2 | 4 |
| Divisors | 1, 990169 | 1, 23, 43051, 990173 |
| Number of properties | 4 | 1 |
| Emirps | 10954th | |
| Isolated primes | 61584th | |
| Primes | 77787th | |
| Semiprimes | 208071st | |
| Sexy primes (2nd member) | 16242nd | |
| Roman numberals | ||
| Base 2 | 111100011011110110012 | 111100011011110111012 |
| Base 3 | 12120220202213 | 12120220210023 |
| Base 4 | 33012331214 | 33012331314 |
| Base 5 | 2231411345 | 2231411435 |
| Base 6 | 331200416 | 331200456 |
| Base 7 | 112625357 | 112625427 |
| Base 8 | 36157318 | 36157358 |
| Base 9 | 17682279 | 17682329 |
| Base 10 | 99016910 | 99017310 |
| Base 11 | 616a2411 | 616a2811 |
| Base 12 | 3b902112 | 3b902512 |
| Base 13 | 2888cb13 | 28890213 |
| Base 14 | 1babc514 | 1babc914 |
| Base 15 | 1485b415 | 1485b815 |
| Base 16 | f1bd916 | f1bdd16 |