Compare 213939 vs 213947
| Property | 213939 | 213947 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 21611 | 2139471 |
| Prime factorization | 3 × 3 × 11 × 2161 | 213947 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 33, 99, 2161, 6483, 19449, 23771, 71313, 213939 | 1, 213947 |
| Number of properties | 0 | 8 |
| Chen primes | 7981st | |
| Cousin primes (2nd member) | 2260th | |
| Harmonic primes | 7159th | |
| Primes | 19122nd | |
| Prime triplets (1st member) | 887th | |
| Prime triplets (2nd member) | 886th | |
| Sexy primes (1st member) | 4535th | |
| Twin primes (1st member) | 2280th | |
| Roman numberals | ||
| Base 2 | 1101000011101100112 | 1101000011101110112 |
| Base 3 | 1012121102003 | 1012121102223 |
| Base 4 | 3100323034 | 3100323234 |
| Base 5 | 233212245 | 233212425 |
| Base 6 | 43302436 | 43302556 |
| Base 7 | 15505057 | 15505167 |
| Base 8 | 6416638 | 6416738 |
| Base 9 | 3554209 | 3554289 |
| Base 10 | 21393910 | 21394710 |
| Base 11 | 13681011 | 13681811 |
| Base 12 | a398312 | a398b12 |
| Base 13 | 764bb13 | 764c613 |
| Base 14 | 57d7514 | 57d7d14 |
| Base 15 | 435c915 | 435d215 |
| Base 16 | 343b316 | 343bb16 |