A061372 Primes having only 0,4,6,8,9 as digits.

89, 409, 449, 499, 809, 4049, 4099, 4409, 4649, 4889, 4909, 4969, 4999, 6089, 6449, 6469, 6689, 6869, 6899, 6949, 8009, 8069, 8089, 8609, 8669, 8689, 8699, 8849, 8969, 8999, 9049, 9649, 9689, 9949, 40009, 40099, 40499, 40609, 40699, 40849, 40949

Offset: 1

Author

Amarnath Murthy, May 02 2001

Keywords

• nonn
• base
• easy
• less

Comments

Primes having digits that are all 0 or composite.

Examples

			a(5) = 4049 is a prime and 4,0,9 are 0 or composite digits.
		

Links

• Jason Bard, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A061371, A051416.

Programs

Mathematica

Select[FromDigits/@Tuples[{0,4,6,8,9},5],PrimeQ] (* Harvey P. Dale, May 04 2011 *)

Extensions

More terms from Erich Friedman, May 08 2001

Definition corrected Dec 05 2006