Compare 16987 vs 16997
| Property | 16987 | 16997 | 
|---|---|---|
| Type | prime | semiprime | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 2 | 
| Prime factorization | 169871 | 231 × 7391 | 
| Prime factorization | 16987 | 23 × 739 | 
| Divisors count | 2 | 4 | 
| Divisors | 1, 16987 | 1, 23, 739, 16997 | 
| Number of properties | 6 | 1 | 
| Additive primes | 933rd | |
| Isolated primes | 1366th | |
| Primes | 1959th | |
| Semiprimes | 4346th | |
| Sexy primes (1st member) | 611th | |
| Sexy primes (2nd member) | 610th | |
| Sexy prime triplets (2nd member) | 171st | |
| Roman numberals | ||
| Base 2 | 1000010010110112 | 1000010011001012 | 
| Base 3 | 2120220113 | 2120221123 | 
| Base 4 | 100211234 | 100212114 | 
| Base 5 | 10204225 | 10204425 | 
| Base 6 | 2103516 | 2104056 | 
| Base 7 | 1003457 | 1003617 | 
| Base 8 | 411338 | 411458 | 
| Base 9 | 252649 | 252759 | 
| Base 10 | 1698710 | 1699710 | 
| Base 11 | 1184311 | 1185211 | 
| Base 12 | 99b712 | 9a0512 | 
| Base 13 | 796913 | 797613 | 
| Base 14 | 629514 | 62a114 | 
| Base 15 | 507715 | 508215 | 
| Base 16 | 425b16 | 426516 |