def islychrelnumber(n):
p = n
for i in range(50):
rp = int(''.join(reversed(str(p))))
p = p+rp
if ispalindrome(p):
return False
return True
#! /usr/bin/env python from eulerutils import ispalindrome print max(((x*y,x,y) for x in xrange(100,1000) for y in xrange(100,1000) if ispalindrome(x*y)))