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Prime numbers, diophantine equations, diophantine approximations, analytic or algebraic number theory, arithmetic geometry, Galois theory, transcendental number theory, continued fractions

14 votes
2 answers
1k views

How divisible is the average integer?

I don't know any number theory, so excuse me if the following notions have names that I'm not using. For a positive natural number $n\in{\mathbb N}_{\geq 1}$, define $Log(n)\in{\mathbb N}$ to be th …
David Spivak's user avatar
  • 8,659
2 votes
2 answers
553 views

What is the growth rate for divisibility of integers

For a natural number $n\geq 1$, let $PF(n)$ denote the number of prime factors (with multiplicity) of $n$. For example, since $48=2*2*2*2*3$, we have $PF(48)=5$. For any natural number $N\geq 1$, def …
David Spivak's user avatar
  • 8,659
0 votes

What is the growth rate for divisibility of integers

Sorry, I've asked a similar question before, and the current question seems to have been answered there by Cam McLeman. The answer he gives is $PF(n)\approx ln(ln(n)).$ To me, this means that $E(N)$ s …
David Spivak's user avatar
  • 8,659