MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).
show/hide this revision's text 2 fixed typo

Large numbers are used in things like the busy beaver problem. However, since it has given me some good rep in the past, I once again recommend Harvey Friedman and his Enormous Numbers in Real Life. You can search Math Overflow for Harvey abd and see some of the posts which quote part of his article.

Gerhard "Ask Me About System Design" Paseman, 2010.04.11
show/hide this revision's text 1 [made Community Wiki]

Large numbers are used in things like the busy beaver problem. However, since it has given me some good rep in the past, I once again recommend Harvey Friedman and his Enormous Numbers in Real Life. You can search Math Overflow for Harvey abd see some of the posts which quote part of his article.

Gerhard "Ask Me About System Design" Paseman, 2010.04.11