23789

Properties

Appears in sequences

• Primes p such that p, p+12, p+24 are consecutive primes.at n=24A052188
• CATS sequence: cube-add-then-sort variation of RATS (reverse, add then sort) sequence.at n=44A079320
• Balanced primes of order six.at n=21A096698
• Prime numbers p such that p - 1 is the fourth a-figurate number and nineteenth b-figurate number for some a and b.at n=23A144327
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (-1, 1, -1), (0, 1, -1), (1, 0, 1)}.at n=9A149177
• Primes of the form Sum_{k=1..m} (m^k mod (m-k+1)).at n=43A156559
• Primes p such that 12*p^2-1 and 16*p^3-1 are also primes.at n=35A193051
• Smallest primes a(n) such that 1 + a(1), 1 + a(1) + a(1)*a(2), ..., 1 + a(1) + a(1)*a(2) + ... + a(1)*a(2)*a(3)*...*a(n) are prime numbers with a(1) = 2 and a(i) < a(i+1).at n=43A227613
• a(n) is the smallest prime in the interval [k*sqrt(k), k*sqrt(k+2)], where k = A001359(n), or a(n)=0 if there is no prime in this interval.at n=32A247867
• Primes of the form 11*k^2-11*k+7.at n=22A267290
• a(n) is the first positive number that has exactly n anagrams which have 3 prime divisors, counted by multiplicity, or 0 if there is no such number.at n=41A369184
• a(n) is the first prime p such that the concatenations of n consecutive primes, starting with p, in both forward and backward directions, are prime.at n=8A384958
• Prime numbersat n=2646