72817
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = a(n-1) + 2^(A047258(n)) for n>1, a(1)=1.at n=7A113867
- Odd numbers producing 4 odd numbers in the Collatz iteration.at n=42A198587
- Number of non-abelian groups of order prime(n)^6.at n=34A271811
- Primes p such that phi(p*(p-1)/2) is a triangular number (A000217).at n=3A291340
- Terms of A198587 congruent {1, 3, 7} (mod 8).at n=13A385110
- Prime numbersat n=7199