Number Gossip

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Unique Properties of 900

  • 900 is the square of the smallest sphenic number. It is a product of squares of the first three primes
  • 900 is the smallest number whose sum of proper square divisors is a square greater than 1
  • 900 is the smallest number n such that φ(n)τ(n) divides n2, but neither τ(n) nor φ(n) divides n

Rare Properties of 900

Square

Common Properties of 900

Abundant
Composite
Even
Evil
Powerful
Practical