Question

Which number is the sum of its multiples when you add the single digits together?

Answer 1

To find:

The number which is the sum of its multiples and same when you add two single digits together

Step-by-step explanation:

• In order to find the required number, we check for the numbers starting from 1.

• 1 = 1 × 1, but 1 + 1 = 2. So, 1 isn't our required number.

• 2 = 1 × 2, but 1 + 2 = 3. So, 2 isn't our required number.

• 3 = 1 × 3, but 1 + 3 = 4. So, 3 isn't our required number.

• 4 = 2 × 2 and 2 + 2 = 4. So, 4 is our required number.

Final Answer:

4 is the required number whose sum of its multiples is same when we add the multiples.