A247475 Numbers formed by concatenating two successive primes and their product.

236, 3515, 5735, 71177, 1113143, 1317221, 1719323, 1923437, 2329667, 2931899, 31371147, 37411517, 41431763, 43472021, 47532491, 53593127, 59613599, 61674087, 67714757, 71735183, 73795767, 79836557, 83897387

Offset: 1

Author

Jennifer Jin, Nov 30 2014

Keywords

• nonn
• base

Examples

			For n=1 the successive primes are 2 and 3, so the number formed is 236.
		

Links

• Michael De Vlieger, Table of n, a(n) for n = 1..10000

Programs

Mathematica

a247475[n_Integer] := Module[{p}, p := Prime /@ List[n, n + 1];
FromDigits@Flatten@Join[IntegerDigits[p], IntegerDigits[Times @@ p]]]; a247475/@Range[120] (* Michael De Vlieger, Dec 01 2014 *)