Compare 213947 vs 218081
| Property | 213947 | 218081 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2139471 | 2180811 |
| Prime factorization | 213947 | 218081 |
| Divisors count | 2 | 2 |
| Divisors | 1, 213947 | 1, 218081 |
| Number of properties | 8 | 10 |
| Chen primes | 7981st | 8111th |
| Cousin primes (2nd member) | 2260th | 2295th |
| Good primes | 1075th | |
| Harmonic primes | 7159th | 7296th |
| Primes | 19122nd | 19449th |
| Prime triplets (1st member) | 887th | 898th |
| Prime triplets (2nd member) | 886th | 897th |
| Pythagorean primes | 9706th | |
| Sexy primes (1st member) | 4535th | 4600th |
| Twin primes (1st member) | 2280th | 2313th |
| Roman numberals | ||
| Base 2 | 1101000011101110112 | 1101010011111000012 |
| Base 3 | 1012121102223 | 1020020110023 |
| Base 4 | 3100323234 | 3110332014 |
| Base 5 | 233212425 | 234343115 |
| Base 6 | 43302556 | 44013456 |
| Base 7 | 15505167 | 15655437 |
| Base 8 | 6416738 | 6517418 |
| Base 9 | 3554289 | 3621329 |
| Base 10 | 21394710 | 21808110 |
| Base 11 | 13681811 | 13993611 |
| Base 12 | a398b12 | a625512 |
| Base 13 | 764c613 | 7835613 |
| Base 14 | 57d7d14 | 5969314 |
| Base 15 | 435d215 | 4493b15 |
| Base 16 | 343bb16 | 353e116 |