24097

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=19A023289
• Second member of a sexy prime quadruple: value of p+6 such that p, p+6, p+12 and p+18 are all prime.at n=38A046122
• 7th-order Fibonacci numbers with a(0)=...=a(6)=1.at n=19A060455
• Odd prime values of sigma(k) - phi(k) taking k in increasing order.at n=39A068419
• a(n) is the n-th prime whose decimal expansion begins with the decimal expansion of n.at n=23A077345
• 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, 4,2]; short d-string notation of pattern = [642].at n=28A078855
• Primes p such that the differences between the 5 consecutive primes starting with p are (6,4,2,4).at n=10A078961
• Sum of n-th prime squared and n-th perfect square.at n=35A106587
• Smaller member p of a pair (p,p+6) of consecutive primes in different centuries.at n=17A160370
• Number of arrangements of 4 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.at n=23A188359
• Primes p such that floor(log(p)) + p^2 is prime.at n=32A225626
• Initial prime of 4 primes in arithmetic progression with difference 12.at n=46A248085
• Primes in the 7th-order Fibonacci numbers A060455.at n=9A253333
• Primes of form n^2 + 1296.at n=17A256834
• Primes p such that 2*p + 1 is abundant.at n=29A267476
• Prime numbersat n=2681