57943

Properties

Appears in sequences

• Primes of the form 666*n + 1.at n=31A037029
• Primes prime(k) for which A049076(k) = 4.at n=21A049080
• Primes for which A049076 >= 4.at n=32A049090
• a(n) is the smallest positive integer that cannot be obtained by using the number 2 at most n times and the operators +, -, *, /.at n=21A071997
• Honaker primes of the form p = 2*k-1 with sum-of-digits(p) = sum-of-digits(k).at n=34A176111
• Numbers k such that the first 9 digits of the k-th Lucas number are 1-9 pandigital.at n=21A216489
• Greatest number (in decimal representation) with n nonprime substrings in base-5 representation (substrings with leading zeros are considered to be nonprime).at n=11A217115
• The Matula number of the rooted tree obtained from the rooted tree T having Matula number n by replacing each edge of T with a path of length 2.at n=40A257538
• Prime numbers p such that the set of composite numbers in the range [p+1, nextprime(p)-1] has more than one element and all the elements have the same number of divisors.at n=10A332740
• Prime numbers with prime indices in A333243.at n=24A333244
• Numbers k such that A361338(k) = 10.at n=35A361349
• Prime numbersat n=5869