1172111

Properties

Appears in sequences

• Numbers k such that 209*2^k+1 is prime.at n=24A032481
• Primes p such that (x1*x2*...*xk)^(x1+x2+...+xk) = (x1+x2+...+xk)^(x1*x2*...*xk) where x1x2...xk are the digits of p in base 10.at n=15A064157
• Prime numbers such that sum of digits equals product of digits.at n=14A066306
• Prime numbersat n=90921