25874767
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes that are congruent to -1 mod n, where n is the index of the prime.at n=20A052013
- Primes p such that pi(p) divides p-1 and/or p+1, where pi(p) is the number of primes <= p.at n=32A162567
- Prime numbers whose indices correspond to A245520.at n=19A245521
- a(n) is the smallest x > 2 to satisfy pi(x-1)/(x-1)^n < pi(x)/x^n, where pi(x) is the prime counting function (A000720).at n=15A293010
- Prime numbersat n=1617173