Understanding a Special Number

The video discusses a special number, 3,816,547,290, which uses each digit from 0 to 9 exactly once. It highlights the number's unique property where each segment of the number, when formed from left to right, is divisible by its respective position number. This pattern continues up to using all ten digits. The video also compares this number to a similar nine-digit number, emphasizing the inclusion of zero.

What makes the number 3,816,547,290 special?

• It is a palindrome.

• It is a prime number.

• It uses each digit from 0 to 9 exactly once.

• It is the largest possible number.

What is the divisibility rule for the first two digits of the number?

• The number is divisible by 4.

• The number is divisible by 2.

• The number is divisible by 3.

• The number is divisible by 5.

How many digits are used in the special number discussed?

• 11

• 10

• 9

• 8

What is the divisibility rule for the first three digits of the number?

• The number is divisible by 4.

• The number is divisible by 3.

• The number is divisible by 2.

• The number is divisible by 5.

How does the 10-digit number differ from the 9-digit number previously discussed?

• It includes the digit zero.

• It is a prime number.

• It is a larger number.

• It is a smaller number.