Permutable Primes

Permutable Primes are prime numbers that remain prime with its digits put in any order. This means that a permutable prime with its digits rearranged is also a permutable prime. Permutable primes are a proper subset of  Circular Primes.

The First Few Permutable Prime Numbers
2

3

5

7

11

13

17

31

37

71

73

79

97

113

131

199

311

337

373