Compare 211985 vs 211997
| Property | 211985 | 211997 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 423971 | 2119971 |
| Prime factorization | 5 × 42397 | 211997 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 42397, 211985 | 1, 211997 |
| Number of properties | 1 | 5 |
| Additive primes | 7659th | |
| Chen primes | 7926th | |
| Isolated primes | 14434th | |
| Primes | 18977th | |
| Pythagorean primes | 9474th | |
| Semiprimes | 47783rd | |
| Roman numberals | ||
| Base 2 | 1100111100000100012 | 1100111100000111012 |
| Base 3 | 1012022100223 | 1012022102023 |
| Base 4 | 3033001014 | 3033001314 |
| Base 5 | 232404205 | 232404425 |
| Base 6 | 43132256 | 43132456 |
| Base 7 | 15420147 | 15420327 |
| Base 8 | 6360218 | 6360358 |
| Base 9 | 3527089 | 3527229 |
| Base 10 | 21198510 | 21199710 |
| Base 11 | 1352a411 | 13530511 |
| Base 12 | a281512 | a282512 |
| Base 13 | 7564713 | 7565613 |
| Base 14 | 5737b14 | 5738914 |
| Base 15 | 42c2515 | 42c3215 |
| Base 16 | 33c1116 | 33c1d16 |