n &nbsp;>&nbsp;6 cannot be strictly non-palindromic, for each such n a base b must be shown to exist where n is palindromic. If n is even , then n is written 22 (a palindrome) in base b &nbsp;=&nbsp; n /2&nbsp;&minus;&nbsp;1. Otherwise n is odd. Write n &nbsp;=&nbsp; p &thinsp;&middot;&thinsp; m ,