What's the biggest number you know, that matters? The smallest? (IE used in a math proof, or applied in a particular field- such as Avogadro's number, or Planck's constant...)
Where is it used?
by 
jehan60188
ANSWERS: 1
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Well the biggest number I know myself, that is used in a proof is 10^(10^(10^34)) which is called Skewes' number and was an upper bound for the point at which the number of primes falls below ln(n)/n (Number theory). It's now known that that point is near to 1.4 * 10^316, which is a much smaller number. Then, I've heard of "Graham's number" which is used in Ramsey theory, but I can't be said to "know" it, because it is so big that even the instructions on how to understand the notation used to write it take a page or more. It's another upper bound for a problem. What's embarassing about Graham's number's is that the answer to the problem, while known for sure only to be less than the inconceivably large Graham's number, is actually believed to be the number six! The number of the smallest magnitude I know is 0, most famously used in Euler's formula: e^(i pi) + 1 = 0
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