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Singular pair of numbers (Posted on 2008-11-03) Difficulty: 2 of 5
What peculiarity do the numbers 567 and 854 share that no other three-digit positive integer number has?

  Submitted by pcbouhid    
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Solution: (Hide)
Each number and its square holds all the digits from 1-9 once.

5672 = 321,489

8542 = 729,316

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Unsure about uniquenessDej Mar2008-11-03 12:52:59
Some Thoughtsre: Unsure about uniqueness ==> SUREAdy TZIDON2008-11-03 12:47:37
SolutionUnsure about uniquenessSyzygy2008-11-03 12:14:04
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