e/Dihedral prime

Information
has gloss	eng: A dihedral prime or dihedral calculator prime is a prime number that still reads like itself or another prime number when read in a seven-segment display, regardless of orientation (normally or upside down), and surface (actual display or reflection on a mirror). The first few decimal dihedral primes are
lexicalization	eng: dihedral prime
instance of	c/Base-dependent integer sequences

Media
media:img	Seven segment display-animated.gif