Compare 213207 vs 213209
| Property | 213207 | 213209 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 710691 | 2132091 |
| Prime factorization | 3 × 71069 | 213209 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 71069, 213207 | 1, 213209 |
| Number of properties | 1 | 6 |
| Additive primes | 7705th | |
| Chen primes | 7962nd | |
| Isolated primes | 14513th | |
| Primes | 19064th | |
| Pythagorean primes | 9517th | |
| Semiprimes | 48059th | |
| Sexy primes (2nd member) | 4522nd | |
| Roman numberals | ||
| Base 2 | 1101000000110101112 | 1101000000110110012 |
| Base 3 | 1012111101203 | 1012111101223 |
| Base 4 | 3100031134 | 3100031214 |
| Base 5 | 233103125 | 233103145 |
| Base 6 | 43230236 | 43230256 |
| Base 7 | 15454117 | 15454137 |
| Base 8 | 6403278 | 6403318 |
| Base 9 | 3544169 | 3544189 |
| Base 10 | 21320710 | 21320910 |
| Base 11 | 13620511 | 13620711 |
| Base 12 | a347312 | a347512 |
| Base 13 | 7607713 | 7607913 |
| Base 14 | 579b114 | 579b314 |
| Base 15 | 4328c15 | 4328e15 |
| Base 16 | 340d716 | 340d916 |