Hasty Briefsbeta

What's the Entropy of a Random Integer?

5 days ago
  • #probability
  • #number theory
  • #entropy
  • The text discusses the entropy of the probability distribution derived from the prime factorization of a random integer.
  • It simplifies the problem by considering squarefree integers, linking their prime factor sizes to cycle lengths in random permutations.
  • The entropy calculation involves summing contributions from each cycle, leading to an estimated mean entropy of 1.
  • Questions are raised about the behavior of entropy and perplexity, suggesting deeper connections to number theory.
  • References to Terry Tao's blog posts and a paper by Kontoyiannis are provided for further reading.