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18. 1+8=9 9x2=18

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What is the only number whose value is twice the sum of its digits?

18


What two digit number is twice the sum of its digits?

18 is the only number that matches these criteria.


Is 18 the only number that is twice the sum of its digits?

Yes, unless you include 0.


What are some What are facts about the number 18?

18 is the only number (other than 0) that is twice the sum of its digits.


The sum of the digits of the number is 6?

the sum of my digits is 6? answer=60


The units digit of a two digit number exceeds twice the tens digit by 1 what numbers if the sum of its digit is 10?

The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 10.


How do you find the sum of digits of each number?

Add the digits together. The sum of the digits of 23 is 5.


What do you notice about the sum of the digits what do you notice about the sum of the digits?

The sum of the digits of a number often reveals patterns, such as divisibility rules. For example, a number is divisible by 3 if the sum of its digits is divisible by 3. Additionally, the sum can provide insights into the number's properties, such as whether it is odd or even. Observing the sum of digits can also help identify sequences or trends in larger datasets.


How many one-digit numbers are twice the size the sum of their digits?

None. The sum of one digit can't be twice the size of the digit.


There is a number that is 5 times the sum of its digits What is this number?

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What is the smallest whole number that is equal to twice the sum of its digits?

18 1 + 8 = 9 and 9 x 2 = 18


The sum of the digit of a 2 digit number is 11 when the digits are reversed the new number is increased by 20 which is twice the original number find the number?

47 Impossible problem!