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Neighbors (Posted on 2014-04-18) Difficulty: 2 of 5
Find the smallest integer n such that both n-1 and n+1 have the same number of divisors as n.
Bonus task: List few additional numbers with said feature.

  Submitted by Ady TZIDON    
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Solution: (Hide)
34 is the smallest integer as requested .
Bonus List - c. Charlie's post.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re(3): computer solutionJer2014-04-18 23:09:25
re(2): computer solutionCharlie2014-04-18 22:14:13
re: computer solutionJer2014-04-18 14:08:50
Some Thoughtsre: a bit of cheating (spoiler)Ady TZIDON2014-04-18 13:38:14
Solutioncomputer solutionCharlie2014-04-18 13:02:09
Solutiona bit of cheating (spoiler)Jer2014-04-18 12:58:37
four morexdog2014-04-18 10:40:21
solutionxdog2014-04-18 10:29:22
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