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S.O.D = cube root (Posted on 2016-07-04) Difficulty: 3 of 5
Find all numbers whose sum of digits is equal to its cube root.

Example: 5+1+2=∛512

No Solution Yet Submitted by Jer    
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Some Thoughts OEIS Comment 3 of 3 |
A061209: Numbers which are the cubes of their digit sum.
A061210: Numbers which are the fourth powers of their digit sum.

If you don't care which root, then A023106: a(n) is a power of the sum of its digits.

  Posted by Brian Smith on 2016-07-04 22:20:38
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