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Quick Question on Terminology

  1. Oct 23, 2012 #1

    9 is a perfect Square,
    27 is a perfect Cube
    81 is a perfect ???????
    243 is a perfect ??????

    Is there terminology for such things?

  2. jcsd
  3. Oct 23, 2012 #2


    Staff: Mentor

    Not that I know of. After cube we just use fourth, fifth, ... power.
    81 is a perfect fourth power.
    243 is a perfect fifth power.
  4. Oct 23, 2012 #3
    Thanks, That's what I thought, just wanted to make sure there wasn't some crazy name we use.
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