What is the Largest Digital Number?
If you had a computer with enough hard drives to fill the entire universe, and you started typing numbers into a word document, what would be the largest number you could type?


How many LEGO bricks do you need to build a full size model of the Sears Tower?
How many 2x4 LEGO bricks do you need to build a full size model of the Sears Tower?

What is the lowest note that can be played by an instrument?
What is the lowest possible note that can be played by a musical instrument?


What is the Largest Countable Number?
What is the highest number you could count to within your life time? What is the highest number a computer could count to within the age of the Universe?

How many pennies do you need to fill the Grand Canyon?
How many U.S. pennies do you need to fill up the entire Grand Canyon?


How long would it take the fastest manmade object to get to the nearest Galaxy?
How much time would it take the fastest object made by the hand of man to get to the Galaxy that is closest to us?

What is the Longest Song?
What is the Longest Song Ever Recorded?


What is the Longest Classical Work?
What is the Longest Classical Work Ever Written?

What is the Smallest Thing?
What is the Smallest Possible Thing?


What is the lowest note that can be sung by a human?
What is the lowest note that has ever been sung by a human being?
