30
It's not entirely clear from the wording of your question what it is you want to know. Seven is a one-digit number. The sum of its digits is 7. Seven has two factors: 1 and 7. That sum is 8.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
64
65 has 13 as a factor because 13 divides into 65 evenly with no remainder. The sum of the digits of 65 is 11 because 6 + 5 = 11
2 x 3 x 11 = 66
To determine how many digits in the number 123,456,789 are factors of the number itself, we first identify the individual digits: 1, 2, 3, 4, 5, 6, 7, 8, and 9. We then check which of these digits are factors of 123,456,789. The digits that are factors are 1, 3, and 9. Therefore, there are three digits in 123,456,789 that are factors of the number.
The number is 875 and its prime factors are 5; 5; 5 & 7.
Try the different numbers - there are only 11 after all - and multiply their digits. Or analyze the factors of the number 21.
50
I am a number less then 100 two of my factors are 3 and 5 my digits are 1 apart
The number is: 36725918 In descending order that is: 98765321 The pairs of numbers that have as many digits between them in both are: 3,9 5,8 6,7 So there are three pairs.
838
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