A178002 Largest n-digit prime with the most digits equal to 4.

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.

Links

Table of n, a(n) for n=1..18.

Crossrefs

Cf. A037061, A105980, A099658

Sequence in context: A368177 A218761 A173772 * A288722 A006873 A228695

Adjacent sequences: A177999 A178000 A178001 * A178003 A178004 A178005

Keyword

nonn,base

Author

Lekraj Beedassy, May 17 2010

Status

approved