A132903 Numbers formed by concatenating 3 consecutive prime numbers.

235, 357, 5711, 71113, 111317, 131719, 171923, 192329, 232931, 293137, 313741, 374143, 414347, 434753, 475359, 535961, 596167, 616771, 677173, 717379, 737983, 798389, 838997, 8997101, 97101103, 101103107, 103107109, 107109113, 109113127

Offset: 1

Author

Omar E. Pol, Sep 04 2007

Keywords

• easy
• nonn
• base

Examples

			Prime numbers.
2
3
5 -----------> a(1) = 235
7 -----------> a(2) = 357
11 ----------> a(3) = 5711
		

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000
• C. K. Caldwell, The Prime Pages.
• Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.

Crossrefs

Prime numbers: A000040. Cf. A007795, A045533, A091762.

Programs

Mathematica

FromDigits[Flatten[IntegerDigits[#]]]&/@Partition[Prime[Range[40]],3,1] (* Harvey P. Dale, Jan 03 2021 *)