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# I am a square number. I am an odd two-digit number. The sum of my digits is a two-digit number. What number am I?

Updated: 4/28/2022

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Q: I am a square number. I am an odd two-digit number. The sum of my digits is a two-digit number. What number am I?
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### If n is an odd number then the number of digits in its square root will be?

I cannot see how odd or even will determine the number of digits in the square root. For example:100 is an even number, and its square root is 10 (2 digits)121 is an odd number, and its square root is 11 (2 digits)Maybe the question is not phrased properly for what the questioner is asking.

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### What number between between 100 and 300 has a square root that is a prime number and the sum of it's digits is an odd number?

There can't be a prime number that has a square root because the square root would be a factor of the number.

### What is the largest four digit odd number whose four digits are even?

There is no such number. If the four digits are even, the entire number is even, not odd.