number theory

• What Does ω(n) Mean? Distinct Prime Factors Explained
  The arithmetic function ω(n) counts the distinct prime divisors of n. Learn its definition, value at 1, difference from Ω(n), and how to compute it.
• What Does the Height of an Algebraic Equation Mean?
  The height of an algebraic equation usually measures coefficient size, but algebraic-number height is a distinct invariant; here are both definitions.