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215 (number)

215 (two hundred [and] fifteen) is the natural number following 214 and preceding 216.

In mathematics

  • 215 is a composite number and a semiprime ().
  • .
  • 215 is the second smallest integer (after 5) such that is twice a square: .
  • 215 is a vertically symmetric number on a calculator display .

In other fields

References