Compare 42478 vs 42487
| Property | 42478 | 42487 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 671 × 3171 | 424871 |
| Prime factorization | 2 × 67 × 317 | 42487 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 67, 134, 317, 634, 21239, 42478 | 1, 42487 |
| Number of properties | 0 | 5 |
| Cousin primes (1st member) | 615th | |
| Harmonic primes | 1653rd | |
| Isolated primes | 3210th | |
| Long primes | 1671st | |
| Primes | 4445th | |
| Roman numberals | ||
| Base 2 | 10100101111011102 | 10100101111101112 |
| Base 3 | 20110210213 | 20110211213 |
| Base 4 | 221132324 | 221133134 |
| Base 5 | 23244035 | 23244225 |
| Base 6 | 5243546 | 5244116 |
| Base 7 | 2345627 | 2346047 |
| Base 8 | 1227568 | 1227678 |
| Base 9 | 642379 | 642479 |
| Base 10 | 4247810 | 4248710 |
| Base 11 | 29a0711 | 29a1511 |
| Base 12 | 206ba12 | 2070712 |
| Base 13 | 1644713 | 1645313 |
| Base 14 | 116a214 | 116ab14 |
| Base 15 | c8bd15 | c8c715 |
| Base 16 | a5ee16 | a5f716 |