Compare 21379 vs 21382
| Property | 21379 | 21382 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 213791 | 21 × 106911 |
| Prime factorization | 21379 | 2 × 10691 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21379 | 1, 2, 10691, 21382 |
| Number of properties | 7 | 1 |
| Chen primes | 1178th | |
| Cousin primes (1st member) | 364th | |
| Harmonic primes | 880th | |
| Primes | 2399th | |
| Prime triplets (2nd member) | 181st | |
| Semiprimes | 5418th | |
| Super primes | 357th | |
| Twin primes (2nd member) | 363rd | |
| Roman numberals | ||
| Base 2 | 1010011100000112 | 1010011100001102 |
| Base 3 | 10020222113 | 10020222213 |
| Base 4 | 110320034 | 110320124 |
| Base 5 | 11410045 | 11410125 |
| Base 6 | 2425516 | 2425546 |
| Base 7 | 1162217 | 1162247 |
| Base 8 | 516038 | 516068 |
| Base 9 | 322849 | 322879 |
| Base 10 | 2137910 | 2138210 |
| Base 11 | 1507611 | 1507911 |
| Base 12 | 1045712 | 1045a12 |
| Base 13 | 996713 | 996a13 |
| Base 14 | 7b1114 | 7b1414 |
| Base 15 | 650415 | 650715 |
| Base 16 | 538316 | 538616 |