A246045 - OEIS

A246045

Biprimatic permutable primes: prime numbers whose digits can be rearranged to form exactly one other prime number. No leading zeros allowed.

13, 17, 31, 37, 71, 73, 79, 97, 107, 127, 139, 181, 191, 193, 239, 241, 251, 271, 277, 281, 283, 293, 313, 331, 347, 349, 367, 421, 439, 457, 461, 463, 467, 479, 521, 547, 563, 569, 577, 587, 619, 641, 643, 647, 653, 659, 673, 683, 691, 701, 709, 727, 743, 757, 769, 787, 797, 811, 821, 823, 857, 863, 877, 907, 911, 947, 967

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OFFSET

1,1

COMMENTS

In base ten the numbers can be said to have a prime twin made up of the same digits.

LINKS

Andreas Boe, Table of n, a(n) for n = 1..828

EXAMPLE

709 -> 079 (forbidden), 097 (forbidden), 709 (prime), 790 (even), 907 (prime), 970 (even) -> conclusion: Two primes.

CROSSREFS

A245808: Monoprimatic permutable numbers

A246044: Monoprimatic permutable primes

A246043: Biprimatic permutable numbers

Sequence in context: A006567 A263240 A246043 * A359978 A108388 A083983

Adjacent sequences: A246042 A246043 A246044 * A246046 A246047 A246048

KEYWORD

nonn,base

AUTHOR

Andreas Boe, Aug 23 2014

STATUS

approved