101119

Properties

Appears in sequences

• Digit count of prime(n). The digit count numerically summarizes the frequency of digits 0 through 9 in that order when they occur in a number.at n=28A127354
• Emirps which remain primes when rotated by 180 degrees on a digital clock display.at n=20A159064
• Primes of the form 9n^2 - 5.at n=20A201960
• a(n) is the first prime p such that, with q the next prime, p + q^2 is 10^n times a prime.at n=3A352848
• Primes p such that 5*p+6, 5*p+12, 5*p+18 and 5*p+24 are all primes.at n=33A355577
• Prime numbersat n=9685