A palindromic number is a natural number whose value does not change if its digits are
Chapter 2, Problem 127(choose chapter or problem)
A palindromic number is a natural number whose value does not change if its digits are reversed. Examples of palindromic numbers are 11, 454, and 261,162. In Exercises 123–132, use this definition to place the indicated natural number in the correct region of the following Venn diagram.
454
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