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A powerful s.o.d. (Posted on 2012-08-14) Difficulty: 2 of 5
There are three six-digit numbers such that each is a 4th power of its sum of digits .

1. List them.
2. Each one has a certain peculiarity (or more than one). Try to define it.
3. Ignoring the 6-digits constraint , how many integers like that exist?

No Solution Yet Submitted by Ady TZIDON    
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re(2): Excel Solution Part 1 2&3 ???? | Comment 4 of 5 |
(In reply to re: Excel Solution Part 1 2&3 ???? by Ady TZIDON)

I've already done part 2.  "Try to define it."

I did try, but I didn't succeed.

  Posted by Chris, PhD on 2012-08-16 00:51:17
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