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Numbers help us tell how many things there are.

Numbers help us tell how many things there are.

Whenever you say how old you are or how many cookies you have, you are using numbers. They are everywhere!

🔢 All Numbers facts →

More facts about Numbers

The Romans had no symbol for zero. The Romans had no symbol for zero. A 'googol' is a 1 followed by one hundred zeros. A 'googol' is a 1 followed by one hundred zeros. A “googol” is the number 1 followed by 100 zeros. A “googol” is the number 1 followed by 100 zeros. Zero is the only number that can't be written with Roman numerals. Zero is the only number that can't be written with Roman numerals. Counting numbers go on forever — you can always add one more. Counting numbers go on forever — you can always add one more.