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What is a three digit number that is a perfect square and perfect cube?
729
What is a three-digit number that is a perfect square and perfect cube?
729, cube of 9 and square of 27
How many positive three-digit perfect cubes are even?
I believe there are 2 positive three-digit perfect cube numbers, that are even.
What two digit number whose cube root is the square root of the sum of its digit?
Well, let's see. Perfect cubes that are two digits: 27 64 Could it be 27? Well, 2+7 is 9, and that's a perfect square with a square root of 3, and the cube root of 27 is three. Looks like we've found our answer, especially since 6+4 = 10, which is NOT a perfect square.
What is the smallest three digit square number that is the sum of two square numbers?
10^2 = 6^2 + 8^2 ie 100 = 36 + 64
What is the least three-digit palindrome that is a square number?
121
How many three digit positive integers are square numbers?
102 = 100 which is the first possible three digit number that is a perfect square. 312 = 961 which is the last possible three digit number that is a perfect square. So there are 22 three digit positive numbers that are perfect squares.
What three one digit numbers have a palindrome as the square number?
1, 2, 3
What is a three digit number that is a perfect square and perfect cube?
729
The square root of the smallest three digit perfect square?
It is 10.
What is the only three digit perfect cube that is palindrome?
343 7*7=49 49*7=343
What is a three-digit number that is a perfect square and perfect cube?
729, cube of 9 and square of 27
The largest three digit perfect square?
961 961
Is the three-digit number X64 a perfect square?
x64 is not a perfect square any number if it is a 3-digit perfect square and ending with 4 it can be 144,324 ,484 and 784 because the number is ending with 4 but the tens digit is not matching to any of the option so it is not a perfect square
The largest three-digit perfect square?
It is: 31*31 = 961
Is the different of the smallest three digit number and the smallest two digit number is a perfect square?
No. The smallest 2 digit number is 10 the smallest 3 digit number is 100 - so the question is whether (100-10) is a perfect square? No - 90 is not a perfect square. 8x8 is 64 and 9x9 is 91, not 90.
What is the largest three digit number that is a palindrome?
999
