Mr. Beef gives clues about his six-digit secret number:

Clue 1: It is the same number if you read it from right to left.

Clue 2: The number is a multiple of 9.

Clue 3: Cross off the first and last digits. The only prime factor of the remaining four-digit number is 11.

What is Mr. Beef’s six-digit number?

Guest Jun 26, 2020