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Factorial Sequence II (Posted on 2006-03-10) Difficulty: 3 of 5
To go along with Factorial Sequence, I present Factorial Sequence II. You can approximate the length of x! by multiplying x*log(x/e).

Now, using this knowledge, find the value at which the length of x! is equal to 1,000,000,000?

See The Solution Submitted by Justin    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
clarification | Comment 3 of 4 |
(In reply to computer solution by Charlie)

It was about two in the morning when I submitted this. Just like in Factorial Sequence, I meant equals/exceeds. My program was running as I typed the body of the problem, so I didn't have the solution until slightly after I had finished typing the problem. Sorry about that!
  Posted by Justin on 2006-03-13 09:30:12

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