A053580 Primes having only {0, 6, 8, 9} as digits.

89, 809, 6089, 6689, 6869, 6899, 8009, 8069, 8089, 8609, 8669, 8689, 8699, 8969, 8999, 9689, 60089, 60689, 60869, 60889, 60899, 66089, 66809, 66889, 68099, 68669, 68699, 68899, 68909, 69809, 69899, 80669, 80809, 80909, 80989, 86069, 86689

Offset: 1

Author

G. L. Honaker, Jr., Jan 18 2000

Keywords

• base
• nonn

Comments

Primes containing digits with circles.

The terms must, of course, end with the digit 9. - Harvey P. Dale, Jan 27 2015

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..10000
• Index to entries for primes with digits in a given set

Crossrefs

Cf. A000040, A052090.

Programs

Mathematica

Select[10#+9&/@Sort[FromDigits/@Tuples[{6,8,9,0},4]],PrimeQ] (* Harvey P. Dale, Jan 27 2015 *)

Extensions

Extended by Ray Chandler, Feb 08 2009