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Forums > Engineering Questions and Answers > Puzzles

What is the largest number one can write using only four 4s?

Last Post 13 Jun 2014 04:42 AM by alastair. 12 Replies.

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philip

Basic Member
Posts:118

20 Sep 2013 03:43 AM
What is the largest number one can write using only four 4s?

richards

Basic Member
Posts:172

20 Sep 2013 04:55 AM
4^4^4^4

phil

Basic Member
Posts:133

21 Sep 2013 11:04 AM
4444

hamza

New Member
Posts:62

21 Sep 2013 11:11 AM
4*444

phil

Basic Member
Posts:133

25 Sep 2013 04:43 PM
4!4!4!*4!

raj

Basic Member
Posts:167

26 Sep 2013 03:15 PM
4444

Tom Laidlaw

New Member
Posts:1

05 Jan 2014 02:31 PM
4^444?

edu gaspar

New Member
Posts:80

07 Jan 2014 04:25 AM
4!4!4!*4

Josef Gabelberger

New Member
Posts:1

04 Feb 2014 09:35 AM
(4!)^(4!)^(4!)^(4!)

bal

Basic Member
Posts:147

29 May 2014 11:06 PM
4444

sccrowl

New Member
Posts:9

08 Jun 2014 08:02 AM
((Sigma(F(4)))!^((Sigma(F(4)))!^((Sigma(F(4)))!^((Sigma(F(4))))!)

sccrowl

New Member
Posts:9

08 Jun 2014 09:28 AM
A higher number is: [exp(4)!^[exp(4)!^[exp(4)!^[exp(4)!]. Where exp is e. After some more thought the answers is infinite. Given reparation is not forbidden on the factorial and power signs.

alastair

Basic Member
Posts:132

13 Jun 2014 04:42 AM
4^4^4^4

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Forums > Engineering Questions and Answers > Puzzles