A palindrome is a word, phrase, number or expression that reads the same backward as forward, e.g. Level, "Never odd or even", 12321 or
x + 22 = 22 + x
Here are some activities with a palindromic connection:
Use long multiplication and pattern spotting to fill in the table with palindromic products.
What is the smallest palindromic prime number that is greater than 100?
What is the largest palindromic square number that is less than 1000?
What is the smallest palindromic cube number that is greater than 1000?
What is the largest prime number that is palandromic when written in Roman numerals?
Palindromic numbers are relatively rare in most number systems, but they appear more frequently in binary.
What is the only palindromic prime number that has an even number of digits?
Chris Smith, Twitter
Friday, February 3, 2023
Cliff Pickover, Twitter
Wednesday, August 7, 2024