There are (not counting 1) three square numbers between 1 and 20.
The only square number between 20 and 30 is 25.
36 is the only square number that is also a triangular number between 20 and 40.
Any number between 20 and 22.36
17The prime numbers between 10 and 20 are 11, 13, 17 and 19. There is only one square number between 10 and 20: 16. Using the criteria given, the number that fits is 17.
A number like 20 has two square roots: one positive and one negative. Specifically, the square roots of 20 are √20 and -√20. In general, any positive real number has two square roots, while zero has one, and negative numbers have no real square roots.
The only square number between 20 and 30 is 25.
25 is a perfect square occurring between 20 and 30.
36 is the only square number that is also a triangular number between 20 and 40.
Any number between 20 and 22.36
2,4,3,
25 is 52.
The square number between 10 and 20 is 16. A square number is a number that can be expressed as the product of an integer multiplied by itself. In this case, 4 x 4 = 16, making 16 the square number between 10 and 20.
17The prime numbers between 10 and 20 are 11, 13, 17 and 19. There is only one square number between 10 and 20: 16. Using the criteria given, the number that fits is 17.
A number like 20 has two square roots: one positive and one negative. Specifically, the square roots of 20 are √20 and -√20. In general, any positive real number has two square roots, while zero has one, and negative numbers have no real square roots.
1 and 4
The square root of 400 is 20, and the square root of 450 is approximately 21.21. Therefore, the square number between 400 and 450 is 441, which is the square of 21.
25, 36, 49, 64, 81