Compare 213939 vs 213949
| Property | 213939 | 213949 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 111 × 21611 | 2139491 |
| Prime factorization | 3 × 3 × 11 × 2161 | 213949 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 11, 33, 99, 2161, 6483, 19449, 23771, 71313, 213939 | 1, 213949 |
| Number of properties | 0 | 10 |
| Chen primes | 7982nd | |
| Cousin primes (1st member) | 2261st | |
| Happy primes | 2905th | |
| Long primes | 7151st | |
| Primes | 19123rd | |
| Prime triplets (2nd member) | 887th | |
| Prime triplets (3rd member) | 886th | |
| Pythagorean primes | 9547th | |
| Sexy primes (2nd member) | 4534th | |
| Twin primes (2nd member) | 2280th | |
| Roman numberals | ||
| Base 2 | 1101000011101100112 | 1101000011101111012 |
| Base 3 | 1012121102003 | 1012121110013 |
| Base 4 | 3100323034 | 3100323314 |
| Base 5 | 233212245 | 233212445 |
| Base 6 | 43302436 | 43303016 |
| Base 7 | 15505057 | 15505217 |
| Base 8 | 6416638 | 6416758 |
| Base 9 | 3554209 | 3554319 |
| Base 10 | 21393910 | 21394910 |
| Base 11 | 13681011 | 13681a11 |
| Base 12 | a398312 | a399112 |
| Base 13 | 764bb13 | 764c813 |
| Base 14 | 57d7514 | 57d8114 |
| Base 15 | 435c915 | 435d415 |
| Base 16 | 343b316 | 343bd16 |