Compare 21163 vs 21171
| Property | 21163 | 21171 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 211631 | 31 × 70571 |
| Prime factorization | 21163 | 3 × 7057 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21163 | 1, 3, 7057, 21171 |
| Number of properties | 6 | 1 |
| Additive primes | 1105th | |
| Isolated primes | 1660th | |
| Primes | 2379th | |
| Semiprimes | 5366th | |
| Sexy primes (1st member) | 721st | |
| Sexy primes (2nd member) | 720th | |
| Sexy prime triplets (2nd member) | 197th | |
| Roman numberals | ||
| Base 2 | 1010010101010112 | 1010010101100112 |
| Base 3 | 10020002113 | 10020010103 |
| Base 4 | 110222234 | 110223034 |
| Base 5 | 11341235 | 11341415 |
| Base 6 | 2415516 | 2420036 |
| Base 7 | 1154627 | 1155037 |
| Base 8 | 512538 | 512638 |
| Base 9 | 320249 | 320339 |
| Base 10 | 2116310 | 2117110 |
| Base 11 | 1499a11 | 149a711 |
| Base 12 | 102b712 | 1030312 |
| Base 13 | 982c13 | 983713 |
| Base 14 | 79d914 | 7a0314 |
| Base 15 | 640d15 | 641615 |
| Base 16 | 52ab16 | 52b316 |