This number is a prime.
Smallest prime number such that 1^n+1^n+1^n+3^n+9^n+9^n+7^n are all distinct primes for n=0 to 9. [Petrov]
Smallest prime number such that 1^n+1^n+1^n+3^n+9^n+9^n+7^n are all distinct primes for n=0 to 9. [Petrov]