# Is the distribution of almost-primes known.

by tpm
Tags: almostprimes, distribution
 P: 76 If we define the "Almost-primes" as: * $$p^{a}$$ a is positive integer and p is a prime * pq where p and q are both primes then my question is if their distribution known ?? i mean if there is a function f(x) so for f(N) gives the values of "almost prime numbers" from 1 to N