What number multiplied by itself equals 999?

Here we will answer: What number multiplied by itself gives 999? In other words, what number times itself will equal 999?

We have identified many different ways of getting the answer to this question:

Algebra Method:
Make an algebra equation and solve for x:

x • x = 999
x ≈ 31.607

Square Root Method:
Take the square root of 999 to get the answer:

√999 ≈ 31.607

Exponent Method:
Make the base 999 and the exponent 0.5 to get the answer:

999^0.5 ≈ 31.607

There you go! Now you know how to calculate "What number multiplied by itself equals 999?"

The bottom line is that 31.607 times itself equals approximately 999 as illustrated here:

31.607 x 31.607 ≈ 999

Multiplied By Itself Equals Calculator
Need to calculate what number multiplied by itself equals another number? Please enter it below.

What number multiplied by itself equals 1000?
Learn about the next number on our list here!

Note:
The answer on this page is rounded to the nearest thousandth, if necessary.