The only two single digit numbers that add up to 18 are 9 and 9.
9x9=18 18/9=9 therefore the answer is 9
81
0.1154
A three-digit number is divisible by 9 if the sum of its digits is divisible by 9. For example, the number 108 is a three-digit number, and the sum of its digits (1 + 0 + 8) equals 9, which is divisible by 9. Other examples include 117 and 126.
I am a 3 digit number divisible by 7 but not 2 the sum of my digits is 4 what number am I
The number you are looking for is 50099. It is a five-digit number greater than 40000 but less than 70000. The ones digit (9) is greater than the ten thousand digit (5), all other digits (0) are the same, and the sum of the digits (5 + 0 + 0 + 9 + 9) equals 19.
A) If a number has two digits, then the sum of its digits is less than the value of the original two-digit number.
It appears that only single digit numbers work (0 thru 9)
The digit sum of 45 is calculated by adding its individual digits together. In this case, 4 + 5 equals 9. Therefore, the digit sum of 45 is 9.
81
49
The sum is 22 times the sum of the three digits.
81...........