# Is 49 a perfect square?

## Is 49 a perfect square?

Informally: When you multiply an integer (a “whole” number, positive, negative or zero) times itself, the resulting product is called a square number, or a perfect square or simply “a square.” So, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.

### What makes 49 a perfect square?

49 is a perfect square. Because 7 * 7 = 49.

Is 60 a perfect square?

60 is not a perfect square.

How do you explain a perfect square?

A perfect square is a number that can be expressed as the product of two equal integers. What does that mean? Basically, a perfect square is what you get when you multiply two equal integers by each other. 25 is a perfect square because you’re multiplying two equal integers (5 and 5) by each other.

## Is 49 a simple square?

We already know that since 49 is a perfect square, there must be some number that when multiplied by itself gives 49. This is a pretty simple example, so you probably already know the answer.

### What kind of number is 49?

49 (number)

← 48 49 50 →
Cardinal forty-nine
Ordinal 49th (forty-ninth)
Factorization 72
Divisors 1, 7, 49

How do you check if a number is a perfect square?

Approach:

1. Take the floor()ed square root of the number.
2. Multiply the square root twice.
3. Use boolean equal operator to verify if the product of square root is equal to the number given.

What is the square 60?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
60 3,600 7.746
61 3,721 7.810
62 3,844 7.874
63 3,969 7.937

## How do you know whether a number is a perfect square?

(A) Perfect Square Numbers:- A perfect square cannot have 2, 3, 7, or 8 in the unit’s digit. If a perfect square ends with a 1, then the unit’s digit of its square root has to be either 1 or 9. If a perfect square ends with a 4, then the unit’s digit of its square root has to be either 2 or 8.

### What type of number is 49?

[SOLVED] 49 is a perfect square . Because 7 * 7 = 49 . Is 49 a composite number? Is 49 an even number? Is 49 an irrational number?

What is a perfect square number?

Perfect Square. more A number made by squaring a whole number. 16 is a perfect square because 42 = 16. 25 is also a perfect square because 52 = 25. etc… See: Square (Numbers) Squares and Square Roots.

What is the perfect square of 9 and 81?

This means, N = 9 2 = 81. Here, 81 is a perfect square because it is the square of a whole number, 9. This can be understood in another way with the help of square roots. To know whether a number is a perfect square or not, we calculate the square root of the given number.

## How do you find a perfect square that ends with 0?

Important Notes 1 A perfect square that ends with 0 will always have an even number of zeros at the end. 2 Perfect squares are always positive as (-ve) × (-ve) = (+ve). 3 The square roots of perfect squares may be positive or negative. 4 We can also find perfect cubes by multiplying a number with itself thrice.