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A178002
Largest n-digit prime with the most digits equal to 4.
0
7, 47, 449, 4447, 44449, 444449, 7444441, 74444449, 444444443, 4444444447, 44444444441, 444444444443, 5444444444443, 84444444444449, 494444444444441, 8444444444444443, 74444444444444441, 494444444444444447
OFFSET
1,1
COMMENTS
Select first for most 4's, then take the largest.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, May 17 2010
STATUS
approved