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Digital power (Posted on 2008-11-15) Difficulty: 2 of 5
Find all numbers N = a1a2a3...an greater than 1, with no leading zeros, no zeros, which fits this equation:

N = a1a1 + a2a2 + a3a3 + ... + anan

Clarifying, N = 23 doesnīt work because 22 + 33 is equal to 31, not 23.

  Submitted by pcbouhid    
Rating: 5.0000 (1 votes)
Solution: (Hide)
The unique number I found is 3435. I donīt know if there is another.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
AnswerK Sengupta2008-12-29 16:32:34
re(3):2nd Solution : Zero to the zero powerAdy TZIDON2008-11-16 03:46:24
re(2):2nd Solution : Zero to the zero powerbrianjn2008-11-16 01:04:24
Some Thoughtsre:2nd Solution : Zero to the zero powerAdy TZIDON2008-11-15 23:37:51
Second Computer Solutionbrianjn2008-11-15 20:48:36
Solutioncomputer solutionCharlie2008-11-15 16:44:23
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