89041

Properties

Appears in sequences

• Quartan primes: primes of the form x^4 + y^4, x > 0, y > 0.at n=32A002645
• 4-dimensional centered cube numbers.at n=14A008514
• Primes with 29 as smallest positive primitive root.at n=17A061733
• Generalized Fermat numbers of the form (k+1)^2^m + k^2^m, with m>1.at n=17A078901
• Generalized Fermat primes of the form (k+1)^2^m + k^2^m, with m>1.at n=11A078902
• Primes of the form 2*p^2 - 1, where p is prime.at n=19A092057
• Primes of the form x^4 + y^4 with x^2 + y^2 and x+y also prime.at n=14A100268
• Centered heptagonal prime numbers.at n=36A144974
• Primes of the form n^4 + (n+1)^4.at n=9A152913
• Primes which are sum of at least two consecutive fourth powers.at n=14A165347
• Primes of the form 2*p^k-1, where p is prime and k > 1.at n=30A178491
• Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<2*min{w,x,y,z}.at n=29A212740
• Number of (w,x,y,z) with all terms in {0,...,n} and max{w,x,y,z}<=2*min{w,x,y,z}.at n=28A212742
• Primes of the form (p^2 + q^2)/2 such that |q^2 - p^2| is square, where p and q are prime.at n=3A282997
• Number of permutations of [n] avoiding {4231, 2143, 1234}.at n=20A294708
• Prime k with sigma(sigma(sigma(k))) < 3*k + 1.at n=26A320517
• Sum of the legs of the unique primitive Pythagorean triple whose inradius is A000217(n) and such that its long leg and its hypotenuse are consecutive natural numbers.at n=20A383834
• Prime numbersat n=8624