165 is a Natural number and an Integer, following 164 and preceding 166. It is a composite number, notably the product of the primes 3, 5, and 11, and holds significance as both a triangular and pentagonal number.
165 is a Natural number and an Integer, following 164 and preceding 166. It is a composite number, notably the product of the primes 3, 5, and 11, and holds significance as both a triangular and pentagonal number.