9 × 9 × 9 = 729

2³ = 8

512 = 8 × 8 × 8

21 × 21 × 21 = 9261

1331 = 11 × 11 × 11 Cube root of 1331 = 11

71 × 71 = 5041

225 = 15 × 15

484 = 22 × 22 Square root of 484 = 22

15 × 15 × 15 = 3375 Cube root of 3375 = 15

14, 16, 18, 20 and 22 are even numbers. So, there are 5 even numbers between 12 an 24.

Square of any odd number is always an odd number. 3² = 9 5² = 25 13² = 169 27² = 729

3, 5, 7, 9 So, there are four odd numbers between 1 and 10.

There are four (2, 3, 5, 7) prime numbers between 1 and 10.

A prime number can have only two factors, i.e. the number itself and 1.

19 is a prime number.

There are two (53 and 59) prime numbers between 50 and 60.

Cube of an odd number is always an odd number. For example, 3² = 27, 5³ = 125,7³ = 343, etc.

89 is a prime number.

8² = 64

13 × 13 = 169 Square of 13 = 169

Square of an even number is always an even number.  As 2² = 4, 4² = 16, 16² = 256

49 = 7 × 7

784 = 28 × 28

196 = 14 × 14

11 × 11 = 121