Number Gossip

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Unique Properties of 870

  • 870 is the smallest non-square that can be written as the sum of squares of some of its distinct prime factors
  • 870 is the magic constant of a 12 by 12 magic square
  • 870 is the smallest product of four different primes sandwiched between squarefree semiprimes (submitted by Massimo Kofler)

Rare Properties of 870

Pronic (Heteromecic)

Common Properties of 870

Abundant
Composite
Even
Evil
Practical
Square-free