637325

Appears in sequences

• Numbers k such that prime(k) == 8 (mod k).at n=7A023150
• Numbers k that divide the average of prime(k-1) and prime(k).at n=11A066826
• Values of transition of A072608(n) from alternating behavior (0,1,0,1,..) into steadily-1 (1,1,1,..) behavior or changing back. Expressing in terms of A072609(n): at n values it switches from steadily 0 into steadily 1 successive values or back.at n=34A072610
• Numbers k that are the hypotenuse of exactly 67 distinct integer-sided right triangles, i.e., k^2 can be written as a sum of two squares in 67 ways.at n=28A097626
• RMS values of the Primitive RMS numbers: a(n) is the Root Mean Square of the divisors of A141813(n).at n=22A141814
• Numbers k that divide prime(k) + prime(k-1).at n=15A225939