perplexus.info :: Just Math : Reverse Rigor II

Reverse Rigor II (Posted on 2014-07-22)

Denote by R(N) the integer obtained by reversing the digits of a positive integer N.

Determine the largest integer that is certain to divide N⁴ - (R(N))⁴, with N > R(N), regardless of the choice of N.

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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Subject	Author	Date
re(2): possible computer solution	Charlie	2014-07-22 13:43:14
re: possible computer solution	Ady TZIDON	2014-07-22 12:09:02
solution	Ady TZIDON	2014-07-22 12:00:14
possible computer solution	Charlie	2014-07-22 11:58:31

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