Compare 218021 vs 218389
| Property | 218021 | 218389 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2180211 | 2183891 |
| Prime factorization | 218021 | 218389 |
| Divisors count | 2 | 2 |
| Divisors | 1, 218021 | 1, 218389 |
| Number of properties | 5 | 8 |
| Additive primes | 7882nd | |
| Chen primes | 8120th | |
| Harmonic primes | 7293rd | 7304th |
| Isolated primes | 14822nd | 14846th |
| Long primes | 7279th | |
| Lucky primes | 2485th | |
| Primes | 19445th | 19471st |
| Pythagorean primes | 9703rd | 9715th |
| Super primes | 2209th | |
| Roman numberals | ||
| Base 2 | 1101010011101001012 | 1101010101000101012 |
| Base 3 | 1020020012123 | 1020021201113 |
| Base 4 | 3110322114 | 3111101114 |
| Base 5 | 234340415 | 234420245 |
| Base 6 | 44012056 | 44030216 |
| Base 7 | 15654267 | 15664637 |
| Base 8 | 6516458 | 6524258 |
| Base 9 | 3620559 | 3625149 |
| Base 10 | 21802110 | 21838910 |
| Base 11 | 13989111 | 13a09611 |
| Base 12 | a620512 | a647112 |
| Base 13 | 7830b13 | 7853213 |
| Base 14 | 5964d14 | 5983314 |
| Base 15 | 448eb15 | 44a9415 |
| Base 16 | 353a516 | 3551516 |