answersLogoWhite

0


Best Answer

A square number is an integer which is the square of some smaller integer. For example, 144 is square because 144 = 12*12 = 12^2

400 is a square number because 400 = 20^2. Anything bigger than 20, when multiplied by itself, will make a square greater than 400.

How about 21?

User Avatar

Wiki User

10y ago
This answer is:
User Avatar
More answers
User Avatar

Dakota Queary

Lvl 2
1mo ago

441

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is a square number greater than 400?
Write your answer...
Submit
Still have questions?
magnify glass
imp