Lychrel Numbers Open Problems Number Theory Math

Numbers not known to yield a palindrome under repeated applications of the reverse-decimal-digits--then--add map.

• About Two Months of Computing - Work on the 196 palindrome problem by Tim open problems Irvin.
• Three Years of Computing - Palindrome Quest. Reporting computations on the 196 lychrel numbers problem.
• Lychrel Number - MathWorld article and resources.
• Lychrel Numbers - Resources compiled by PLA.

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