Compare 42479 vs 42487
| Property | 42479 | 42487 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1071 × 3971 | 424871 |
| Prime factorization | 107 × 397 | 42487 |
| Divisors count | 4 | 2 |
| Divisors | 1, 107, 397, 42479 | 1, 42487 |
| Number of properties | 1 | 5 |
| Cousin primes (1st member) | 615th | |
| Harmonic primes | 1653rd | |
| Isolated primes | 3210th | |
| Long primes | 1671st | |
| Primes | 4445th | |
| Semiprimes | 10349th | |
| Roman numberals | ||
| Base 2 | 10100101111011112 | 10100101111101112 |
| Base 3 | 20110210223 | 20110211213 |
| Base 4 | 221132334 | 221133134 |
| Base 5 | 23244045 | 23244225 |
| Base 6 | 5243556 | 5244116 |
| Base 7 | 2345637 | 2346047 |
| Base 8 | 1227578 | 1227678 |
| Base 9 | 642389 | 642479 |
| Base 10 | 4247910 | 4248710 |
| Base 11 | 29a0811 | 29a1511 |
| Base 12 | 206bb12 | 2070712 |
| Base 13 | 1644813 | 1645313 |
| Base 14 | 116a314 | 116ab14 |
| Base 15 | c8be15 | c8c715 |
| Base 16 | a5ef16 | a5f716 |