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A053580 Primes whose digits contain circles. 4
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Only the digits 6, 8, 9, and 0 are permitted.  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

MATHEMATICA

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

CROSSREFS

Cf. A000040, A052090.

Sequence in context: A063654 A308801 A069764 * A239719 A290314 A103548

Adjacent sequences:  A053577 A053578 A053579 * A053581 A053582 A053583

KEYWORD

base,nonn,less

AUTHOR

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

EXTENSIONS

Extended by Ray Chandler, Feb 08 2009

STATUS

approved

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Last modified August 13 02:52 EDT 2020. Contains 336441 sequences. (Running on oeis4.)