Number Gossip

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Unique Properties of 216

  • 216 is the smallest untouchable number which is also a cube
  • Plato's number: Plato alludes to the fact that 216 is equal to 63, where 6 is one of the numbers representing marriage since it is the product of the female 2 and the male 3. Plato was also aware of the fact the the sum of the cubes of the 3-4-5 Pythagorean triple is equal to 216
  • 216 = 23*33 = 63 = 33 + 43 + 53, making it the smallest cube that's also the sum of three cubes
  • 216 is the the number of colors in the Netscape Web-safe color palette
  • 216 is the smallest magic product of a 3 by 3 multiplicative magic square
  • 216 is the smallest abundant cube
  • 216 is the smallest number with more abundant divisors than deficient divisors
  • 216 is the smallest volume of an integer-sized brick that has the same surface area as volume
  • 216 is the smallest number such that three numbers before and three numbers after are all semiprimes (submitted by Massimo Kofler)

Rare Properties of 216


Common Properties of 216