Dihedral primes up to 19609

Dihedral primes: Primes that remain prime when read upside down or mirrored in a seven-segment display.

There is 8 dihedral primes smaller than 19609.

Checkout dihedral primes up to: 100, 500, 1000, 10000.

2, 5, 11, 101, 181, 1181, 1811, 18181

• Learn more about Dihedral primes.
• All dihedral primes