Compare 213887 vs 213889
| Property | 213887 | 213889 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2138871 | 131 × 164531 |
| Prime factorization | 213887 | 13 × 16453 |
| Divisors count | 2 | 4 |
| Divisors | 1, 213887 | 1, 13, 16453, 213889 |
| Number of properties | 6 | 1 |
| Additive primes | 7736th | |
| Chen primes | 7980th | |
| Isolated primes | 14560th | |
| Long primes | 7148th | |
| Primes | 19117th | |
| Semiprimes | 48220th | |
| Sexy primes (2nd member) | 4533rd | |
| Roman numberals | ||
| Base 2 | 1101000011011111112 | 1101000011100000012 |
| Base 3 | 1012121012023 | 1012121012113 |
| Base 4 | 3100313334 | 3100320014 |
| Base 5 | 233210225 | 233210245 |
| Base 6 | 43301156 | 43301216 |
| Base 7 | 15504027 | 15504047 |
| Base 8 | 6415778 | 6416018 |
| Base 9 | 3553529 | 3553549 |
| Base 10 | 21388710 | 21388910 |
| Base 11 | 13677311 | 13677511 |
| Base 12 | a393b12 | a394112 |
| Base 13 | 7647b13 | 7648013 |
| Base 14 | 57d3914 | 57d3b14 |
| Base 15 | 4359215 | 4359415 |
| Base 16 | 3437f16 | 3438116 |