TED-Ed: Can you solve the Leonardo da Vinci riddle? - Tanya Khovanova

The video tutorial explains autobiographical numbers, where each digit describes the frequency of digits in the number. It guides viewers through solving for a ten-digit autobiographical number by analyzing patterns and applying logical deductions. The solution involves understanding constraints, such as the sum of digits equaling ten and limiting large digits. The tutorial concludes with the correct sequence of digits, revealing the ten-digit number.

What are autobiographical numbers and how do they describe themselves?

What can we conclude about the digits greater than 5 in the autobiographical number?

How many zeroes must be present in the ten-digit autobiographical number?

What is the significance of the first digit in an autobiographical number?

How do you determine the leading digit of the ten-digit autobiographical number?