Compare 211987 vs 211997
| Property | 211987 | 211997 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 591 × 35931 | 2119971 |
| Prime factorization | 59 × 3593 | 211997 |
| Divisors count | 4 | 2 |
| Divisors | 1, 59, 3593, 211987 | 1, 211997 |
| Number of properties | 1 | 5 |
| Additive primes | 7659th | |
| Chen primes | 7926th | |
| Isolated primes | 14434th | |
| Primes | 18977th | |
| Pythagorean primes | 9474th | |
| Semiprimes | 47784th | |
| Roman numberals | ||
| Base 2 | 1100111100000100112 | 1100111100000111012 |
| Base 3 | 1012022101013 | 1012022102023 |
| Base 4 | 3033001034 | 3033001314 |
| Base 5 | 232404225 | 232404425 |
| Base 6 | 43132316 | 43132456 |
| Base 7 | 15420167 | 15420327 |
| Base 8 | 6360238 | 6360358 |
| Base 9 | 3527119 | 3527229 |
| Base 10 | 21198710 | 21199710 |
| Base 11 | 1352a611 | 13530511 |
| Base 12 | a281712 | a282512 |
| Base 13 | 7564913 | 7565613 |
| Base 14 | 5737d14 | 5738914 |
| Base 15 | 42c2715 | 42c3215 |
| Base 16 | 33c1316 | 33c1d16 |