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Challenge #16

Palindrome Multiples

A palindrome is a number, word, or sentence that reads the same backwards and forwards (racecar, 4554).

How many four-digit palindromes are multiples of 3?

Follow-up Challenges

How many three-digit palindromes are multiples of 3?

How many four-digit palindromes are multiples of 5? What about multiples of 8?

How many four-digit palindromes are there (without any other restrictions)? What about three-digit palindromes?

Response Videos

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