3229

This number is a prime.

3229# + 1 is prime; The period of 1/3229 is (3229-1)/3; x^3 mod 3229 = 2 has 3 solutions: 666, 891, 1672 and 666 + 891 + 1672 = 3229. Note there are 3229 primes < π^9 [Noll]

The smallest Honaker prime with an index (457) whose own index (88) sums to the same total. [Homewood]

The 666th squarefree Yarborough number. [Gaydos]

The sum of the first n positive integers that have no unique digits is the prime number 423765809 for n=3229, the largest n with this property. [Gaydos]