106861

Properties

Appears in sequences

• Bemirps: primes that yield a different prime when turned upside down with reversals of both being two more different primes.at n=8A048895
• Primes which become emirps when rotated by 180 degrees on a digital clock display.at n=20A145750
• Emirps which remain primes when rotated by 180 degrees on a digital clock display.at n=24A159064
• a(k) is the smallest k-digit bemirp (A048895).at n=2A177136
• Number of (n+6)X9 0..1 matrices with each 7X7 subblock idempotent.at n=13A224583
• Bemirps that also interpret 2 and 5 as upside-down forms of each other, assuming a digital font.at n=8A335731
• Prime numbersat n=10185