0
How many of the numbers from 10 through 89 have the sum of their digits equal to a perfect square?
Wiki User
∙ 11y ago
The sum of the digits in '89' is 17, so I don't need to
worry about any perfect square bigger than 16.
1: 10
4: 13, 22, 31, 40
9: 18, 27, 36, 45, 54, 63, 72, 81
16: 79
That's 14 of them .
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
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 100 have the sum of their digits equal to a perfect square?
18
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 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
Numbers that are squares of integers are called?
Square numbers * * * * * Although "perfect square numbers" is more descriptive.
How many of the numbers from 10 through 98 have the sum of their digits equal to a perfect and 8203 square?
There are 17 such numbers.
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 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 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 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
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
What is the perfect square palindrome of 6 digits?
8362 = 698896
Is 20 a square number or not?
No. Square numbers (or perfect square numbers) are squares of integers. The perfect square numbers are 1, 4, 9, 16, 25, 36 ... 20 is not in the series.
