A154385 Primes such that number of prime digits > number of nonprime digits.

2, 3, 5, 7, 23, 37, 53, 73, 127, 137, 157, 173, 223, 227, 229, 233, 239, 251, 257, 263, 271, 277, 283, 293, 307, 313, 317, 331, 337, 347, 353, 359, 367, 373, 379, 383, 397, 433, 457, 503, 521, 523, 547, 557, 563, 571, 577, 587, 593, 653, 673, 677, 727, 733

Offset: 1

Author

Juri-Stepan Gerasimov, Jan 08 2009

Keywords

• nonn
• base
• easy
• less

Examples

			73 is prime, its prime digits are (7, 3), and 2>0 so 73 is a term.
127 is prime, its prime digits are (2, 7), its nonprime digit is (1), so 127 is a term
		

Links

• Hugo Pfoertner, Table of n, a(n) for n = 1..500

Crossrefs

Cf. A348699.

Extensions

Edited by Charles R Greathouse IV, Mar 25 2010