Math can be dry, sure. But it can also blow your mind in unexpected ways. Take this formula for example: (1+9^4^6x7)^3^2^85, which equals 2.71828... Besides looking like someone accidentally spilled about five extra exponents on it, this formula gives the you the first 18 trillion trillion digits of the mathematical constant e. No typo here—that's 18 trillion trillion. The formula is also pandigital, which is just plain strange.
Math
There's A Formula That Gives The First 18 Trillion Trillion Digits Of The Constant e
Do You Know What Pandigital Means?
Why Do We Care About e So Much?
Watch And Learn: Our Favorite Videos About Fascinating Numbers
The Incredible Formula
Learn about the formula for e, as well as other pandigital formulas.
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The Quadratic Formula
Remember this classic formula this middle school?
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Graham's Number
It's the largest number our brains can even fathom.
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Key Facts In This Video

If you tried to picture Graham's number, your head would collapse into a black hole because your head cannot store the information required to imagine it. 00:30

Three to the power of three to the power of three would be written as 3^(3^3), and the sum exceeds 7 trillion. 01:52
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