A177514 Largest n-digit emirp with only prime digits.

73, 733, 7757, 77557, 777373, 7777573, 77757553, 777777373, 7777777237, 77777773537, 777777777773, 7777777777573, 77777777772257, 777777777752557, 7777777777752757, 77777777777753233, 777777777777753553

Offset: 2

Author

Lekraj Beedassy, May 10 2010

Keywords

• nonn
• base

Crossrefs

Cf. A177514, A128388

Extensions

a(8) and a(9) corrected and a(11)-a(18) from Donovan Johnson, Jul 30 2010