Harmonic primes: Harmonic primes are harmoic.
There is 23 harmonic primes smaller than 288.
Checkout harmonic primes up to: 100, 500, 1000, 10000.
5, 13, 17, 23, 41, 67, 73, 79, 107, 113, 139, 149, 157, 179, 191, 193, 223, 239, 241, 251, 263, 277, 281