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Repunit Product, Palindrome Not (Posted on 2009-09-30) Difficulty: 3 of 5
The pth base ten repunit and the qth base ten repunit are respectively denoted by R(p) and R(q), where each of p and q exceeds 10.

Prove that R(p)*R(q) can never be equal to a palindrome.

See The Solution Submitted by K Sengupta    
Rating: 5.0000 (1 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: Not very formal, but ... (spoiler)Charlie2009-10-01 11:24:25
Some ThoughtsNot very formal, but ... (spoiler)Steve Herman2009-10-01 01:20:32
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