Compare 213281 vs 213881
| Property | 213281 | 213881 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2132811 | 2138811 |
| Prime factorization | 213281 | 213881 |
| Divisors count | 2 | 2 |
| Divisors | 1, 213281 | 1, 213881 |
| Number of properties | 7 | 7 |
| Additive primes | 7710th | 7735th |
| Chen primes | 7963rd | 7979th |
| Harmonic primes | 7158th | |
| Isolated primes | 14520th | 14559th |
| Primes | 19071st | 19116th |
| Pythagorean primes | 9521st | 9544th |
| Sexy primes (1st member) | 4526th | 4533rd |
| Sophie germain primes | 2169th | |
| Roman numberals | ||
| Base 2 | 1101000001001000012 | 1101000011011110012 |
| Base 3 | 1012111200223 | 1012121011123 |
| Base 4 | 3100102014 | 3100313214 |
| Base 5 | 233111115 | 233210115 |
| Base 6 | 43232256 | 43301056 |
| Base 7 | 15455457 | 15503637 |
| Base 8 | 6404418 | 6415718 |
| Base 9 | 3545089 | 3553459 |
| Base 10 | 21328110 | 21388110 |
| Base 11 | 13627211 | 13676811 |
| Base 12 | a351512 | a393512 |
| Base 13 | 7610313 | 7647513 |
| Base 14 | 57a2514 | 57d3314 |
| Base 15 | 432db15 | 4358b15 |
| Base 16 | 3412116 | 3437916 |