72931

Properties

Appears in sequences

• Quintan primes: p = (x^5 + y^5)/(x + y).at n=26A002650
• Number of n-ary words beginning with the first character of the alphabet, that can be built by inserting four doublets into the initially empty word.at n=18A194716
• Odd primes p with the property that gcd(ord_p q: prime q divides p-1) = 1.at n=26A295975
• Primes p such that (p^512 + 1)/2 is prime.at n=20A341264
• Primes p such that p+1 is the concatenation of a power of 3 and a power of 2.at n=23A354524
• Prime numbersat n=7211