Compare 21158 vs 21163
| Property | 21158 | 21163 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 711 × 1491 | 211631 |
| Prime factorization | 2 × 71 × 149 | 21163 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 71, 142, 149, 298, 10579, 21158 | 1, 21163 |
| Number of properties | 0 | 6 |
| Additive primes | 1105th | |
| Isolated primes | 1660th | |
| Primes | 2379th | |
| Sexy primes (1st member) | 721st | |
| Sexy primes (2nd member) | 720th | |
| Sexy prime triplets (2nd member) | 197th | |
| Roman numberals | ||
| Base 2 | 1010010101001102 | 1010010101010112 |
| Base 3 | 10020001223 | 10020002113 |
| Base 4 | 110222124 | 110222234 |
| Base 5 | 11341135 | 11341235 |
| Base 6 | 2415426 | 2415516 |
| Base 7 | 1154547 | 1154627 |
| Base 8 | 512468 | 512538 |
| Base 9 | 320189 | 320249 |
| Base 10 | 2115810 | 2116310 |
| Base 11 | 1499511 | 1499a11 |
| Base 12 | 102b212 | 102b712 |
| Base 13 | 982713 | 982c13 |
| Base 14 | 79d414 | 79d914 |
| Base 15 | 640815 | 640d15 |
| Base 16 | 52a616 | 52ab16 |