Compare 211 vs 219
| Property | 211 | 219 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2111 | 31 × 731 |
| Prime factorization | 211 | 3 × 73 |
| Divisors count | 2 | 4 |
| Divisors | 1, 211 | 1, 3, 73, 219 |
| Number of properties | 8 | 1 |
| Centered decagonal primes | 6th | |
| Chen primes | 37th | |
| Euclid primes | 5th | |
| Isolated primes | 18th | |
| Lucky primes | 14th | |
| Multiplicative primes | 12th | |
| Primes | 47th | |
| Semiprimes | 74th | |
| Super primes | 15th | |
| Roman numberals | CCXI | CCXIX |
| Base 2 | 110100112 | 110110112 |
| Base 3 | 212113 | 220103 |
| Base 4 | 31034 | 31234 |
| Base 5 | 13215 | 13345 |
| Base 6 | 5516 | 10036 |
| Base 7 | 4217 | 4327 |
| Base 8 | 3238 | 3338 |
| Base 9 | 2549 | 2639 |
| Base 10 | 21110 | 21910 |
| Base 11 | 18211 | 18a11 |
| Base 12 | 15712 | 16312 |
| Base 13 | 13313 | 13b13 |
| Base 14 | 11114 | 11914 |
| Base 15 | e115 | e915 |
| Base 16 | d316 | db16 |