42391
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite VNI = VPI-9 Rb44K4[Zn24Si96O240].48H2O starting with a T1 atom.at n=14A019252
- Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d = 2, 4 or 6) and forming d-pattern = [6, 6, 4]; short d-string notation of pattern = [664].at n=28A078858
- Primes p such that the differences between the 5 consecutive primes starting with p are (6,6,4,2).at n=5A078966
- Smaller of 3 consecutive prime numbers such that p1*p2*p3+d1+d2-1=average of twin prime pairs, d1(delta)=p2-p1,d2(delta)=p3-p2.at n=14A153402
- Primes of the form 2*n^3 + 4*n^2 + 4*n + 1.at n=13A195117
- G.f.: (1 + x^4 + x^5 + x^6 + x^10 + x^11 + x^12 + x^16)/Product_{i=1..8} (1 - x^i).at n=42A256975
- Numbers k such that 2^k + 2*k - 3 is prime.at n=32A392535
- Prime numbersat n=4431