A101219 Primes that are a concatenation of 3, 5 and a prime.

353, 3511, 3517, 3529, 3541, 3547, 3559, 3571, 3583, 35107, 35149, 35227, 35251, 35257, 35281, 35311, 35317, 35353, 35401, 35419, 35449, 35461, 35491, 35509, 35521, 35569, 35593, 35617, 35677, 35797, 35809, 35839, 35863, 35911, 35977

Offset: 1

Author

Parthasarathy Nambi, Dec 14 2004

Keywords

• nonn
• base
• easy

Examples

			3511 is a prime concatenated from the primes 3, 5 and 11.
		

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000
• Peter Alfeld The 10,000 smallest prime numbers.

Crossrefs

Cf. A100607, A101218, A101249, A101250, A101251, A101252.

Programs

Mathematica

Select[35*10^IntegerLength[#]+#&/@Prime[Range[200]],PrimeQ] (* Harvey P. Dale, Jan 23 2019 *)

Extensions

Extended by Ray Chandler, Dec 22 2004