25867

Properties

Appears in sequences

• a(n) is the smallest prime m such that prod(m) = n*length(m)*sum(m) where prod(m) is the product of the digits of m, length(m) is the number of digits of m, sum(m) is the sum of the digits of m; or 0 if no such m exists.at n=23A064023
• Rounded volume of a regular octahedron with edge length n.at n=38A071400
• a(n) is the least prime not already used such that the frequencies of the decimal digits in the first n terms are almost equal, i.e., for any two digits, their numbers of occurrences differ by no more than 1.at n=28A110457
• Primes p such that (p-1)*p*(p+1)-p+2 and (p-1)*p*(p+1)+p-2 are primes.at n=37A154944
• Primes that are anagrams of Fibonacci numbers.at n=25A162390
• Primes p such that q*p +- (p mod q) are primes, for q=8.at n=29A178416
• Seventh prime p such that (p+n)^2+n is prime but (p+j)^2+j is not prime for all 0<j<n.at n=22A238679
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=14A296272
• a(n) is the largest integer k such that A345073(k) = n.at n=4A345074
• Prime partial sums of the primes == 5 (mod 6).at n=10A354573
• Prime numbersat n=2846