Number Gossip

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Unique Properties of 210

  • 210 is the smallest area of two different primitive Pythagorean triangles (20, 21, 29 and 12, 35, 37)
  • 210 is the product of the first 4 primes
  • 210 is the smallest number such that the of of 4th powers powers of its digits equals the sum of its prime divisors: 210 = 2*3*5*7 and 24 + 14 + 04 = 2 + 3 + 5 + 7 = 17

Rare Properties of 210

Pentagonal
Primorial
Pronic (Heteromecic)

Common Properties of 210

Abundant
Composite
Even
Evil
Practical
Square-free
Triangular
Untouchable