A053652 Primes for which some rearrangement of the digits (leading zeros not allowed) is the product of two consecutive primes.

53, 233, 347, 431, 743, 1237, 1249, 1327, 1367, 1429, 1471, 1571, 1583, 1637, 1723, 1741, 2137, 2371, 2713, 2731, 3167, 3217, 3271, 3581, 3617, 3671, 3761, 3851, 3863, 3877, 4129, 4219, 5171, 5381, 5399, 5477, 5657, 5711, 5813, 5939

Offset: 1

Author

Enoch Haga, Feb 18 2000

Keywords

• easy
• nonn
• base

Comments

Primes from A053736 sorted in numerical order.

Examples

			a(3)=347, a(5)=743. These terms are derived from 19*23=437. By arranging digits of 437, two primes are formed: 347 and 743.
		

References

• C. A. Pickover, "Vampire numbers," chapter 30 of Keys to Infinity. NY: Wiley, 1995. Pages 227-231

Crossrefs

Cf. A053736, A053653, A014575.

Extensions

Edited by Jens Kruse Andersen, Dec 01 2006