43093

Properties

Appears in sequences

• Primes p such that the decimal expansion of p remains prime under two iterations of base-10 to base-2 conversions.at n=13A123266
• Primes of the form 256 k + 85.at n=33A127593
• Primes in A152535.at n=31A152563
• Primes of the form 2*n^3 + 5*n^2 + 3*n + 1.at n=13A196153
• Least n such that L(n)<-1 and L(n)>L(n-1), where L(k) means the least root of the polynomial p(k,x) defined at A206284, and a(1)=13.at n=21A206443
• Primes p such that p + 4, p + 16, p + 64, p + 256 and p + 1024 are all semiprimes.at n=36A241493
• 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=41A247867
• Primes that can be generated by the concatenation in base 8, in ascending order, of two consecutive integers read in base 10.at n=17A287310
• Numbers k such that (49*10^k - 67)/9 is prime.at n=21A291609
• Sum of different values of x_1*x_2*...*x_n where x_1=1 and x_i-x_{i-1} is 0 or 1.at n=6A334637
• a(n) is the smallest positive integer which can be represented as the sum of n distinct binomial coefficients binomial(k,n) for some k >= n in exactly n ways, or -1 if no such integer exists.at n=4A360431
• Prime numbersat n=4503