Compare 42481 vs 42487
| Property | 42481 | 42487 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 231 × 18471 | 424871 |
| Prime factorization | 23 × 1847 | 42487 |
| Divisors count | 4 | 2 |
| Divisors | 1, 23, 1847, 42481 | 1, 42487 |
| Number of properties | 1 | 5 |
| Cousin primes (1st member) | 615th | |
| Harmonic primes | 1653rd | |
| Isolated primes | 3210th | |
| Long primes | 1671st | |
| Primes | 4445th | |
| Semiprimes | 10350th | |
| Roman numberals | ||
| Base 2 | 10100101111100012 | 10100101111101112 |
| Base 3 | 20110211013 | 20110211213 |
| Base 4 | 221133014 | 221133134 |
| Base 5 | 23244115 | 23244225 |
| Base 6 | 5244016 | 5244116 |
| Base 7 | 2345657 | 2346047 |
| Base 8 | 1227618 | 1227678 |
| Base 9 | 642419 | 642479 |
| Base 10 | 4248110 | 4248710 |
| Base 11 | 29a0a11 | 29a1511 |
| Base 12 | 2070112 | 2070712 |
| Base 13 | 1644a13 | 1645313 |
| Base 14 | 116a514 | 116ab14 |
| Base 15 | c8c115 | c8c715 |
| Base 16 | a5f116 | a5f716 |