# What are the first 20 squared numbers?

## What are the first 20 squared numbers?

Square Numbers 1-20

A B
17 squared 289
18 squared 324
19 squared 361
20 squared 400

## What are the square roots to 20?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
20 400 4.472
21 441 4.583
22 484 4.690
23 529 4.796

What are the first 20 perfect squares and their square roots?

List of Square Root from 1 to 100

Number (N) Square (N2) Square root (√N)
18 324 4.243
19 361 4.359
20 400 4.472
21 441 4.583

Is the square root of 20 a perfect square?

Is 20 a perfect square? 20 is a perfect square if the square root of 20 equals a whole number. As we have calculated further down on this page, the square root of 20 is not a whole number. 20 is not a perfect square.

### What are the numbers of the first 20 square numbers?

So the first 20 square numbers are 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225, 256, 289, 324, 361 and 400.

### Is there a list of square roots from 1 to 100?

There is a list of square roots of 1 to 100 numbers we have mentioned in this article. But before heading for it, let us learn some basics here. The symbol to denote square root is ‘√’. It is also called a radical symbol and the number denoted under this symbol is called the radicand.

Is the square root of 20 an irrational number?

The square root of 20 is a rational number if 20 is a perfect square. It is an irrational number if it is not a perfect square. Since 20 is not a perfect square, it is an irrational number. This means that the answer to “the square root of 20?” will have an infinite number of decimals.