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How many numbers from 10 through 84 have the sum of their digits equal to a perfect square?
14
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 is the probability number is perfect square from 10 to 20?
There are 11 numbers from 10 to 20 if we include 10 and 20. Of those, only 16 is a perfect square. So the probability if 1/11 or .09 repeating.
Ralph likes 25 but not 24 he likes 400 but not 300 he likes 144 but not 145 Why does he like 200?
Well, isn't that just a happy little riddle! Ralph likes numbers that are perfect squares, like 25, 400, and 144. Since 200 is also a perfect square (200 x 200 = 40,000), that's why Ralph likes it too. Just like painting, sometimes things just fit together perfectly!
What is a three digit number a square number and the product of its digits is two?
The only three-digit number that fits the criteria of being a square number and having a product of its digits equal to two is 128. This is because 128 is a square number (11^2 = 121, 12^2 = 144) and the product of its digits (1 x 2 x 8) equals 16, which is not equal to two. Therefore, there is no three-digit number that meets all the given conditions.
How many numbers from 10 through 100 have the sum of their digits equal to a perfect square?
18
How many numbers from 10 through 84 have the sum of their digits equal to a perfect square?
14
How many numbers from 10 through 95 have the sum of their digits equal to a perfect square?
16 of them.
How many numbers from 10 through 97 have the sum of their digits equal to a perfect square?
17 of them. 17 of them. 17 of them. 17 of them.
How many two digit numbers have digits whose sum is a perfect square?
69
How many numbers 10 through 87 have the sum of their digits equal to a perfect square?
To find the numbers between 10 and 87 with the sum of their digits equal to a perfect square, we need to consider each number individually. The perfect squares between 1 and 9 are 1, 4, and 9. For each perfect square, we can list the numbers that meet the criteria: For the perfect square 1, the numbers are 10, 19, 28, 37, 46, 55, 64, 73, 82. For the perfect square 4, the numbers are 40, 49, 58, 67, 76, 85. For the perfect square 9, the numbers are 90. Therefore, there are 14 numbers between 10 and 87 that have the sum of their digits equal to a perfect square.
How many of the numbers from 10 through 89 have the sum of their digits equal to a perfect square?
The sum of the digits in '89' is 17, so I don't need toworry about any perfect square bigger than 16.1: 104: 13, 22, 31, 409: 18, 27, 36, 45, 54, 63, 72, 8116: 79That's 14 of them .
How many 2 digits numbers are such that the difference of the number and the number with the digits reversed is a perfect square?
If the number with the digits reversed can have a leading 0 so that it is a 1-digit number, then 16. Otherwise 13.
What is the perfect square if the digits sum is 4?
121.
How many of the numbers from 10 to 96 have the sum of their digits equal to a perfect square?
the highest sum of the numbers is 17 and the lowest is 1. The only perfect squares in that range are 1,4,9, and 16. That means the following numbers will work: 10,13.18,22,27,31,36,40,45,54,63,72,79,81,88, and 90; that is 16 numbers
What is the perfect square palindrome of 6 digits?
8362 = 698896
How many of the numbers from 10 through 82 have the sum of their digits equal to a perfect square?
There are 14 such numbers: 10, 13, 18, 22, 27, 31, 36, 40, 45, 54, 63, 72, 79, 81
