54721

Properties

Appears in sequences

• Quartan primes: primes of the form x^4 + y^4, x > 0, y > 0.at n=24A002645
• Numbers whose set of base-15 digits is {1,3}.at n=36A032922
• Class 7+ primes.at n=7A081635
• Primes in A003154.at n=42A083577
• Prime numbers p such that p +- ((p-1)/8) are primes.at n=20A137771
• Number of 2 X 2 matrices with all terms in {0,1,...,n} and even determinant.at n=16A210369
• Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and even determinant.at n=8A211154
• Primes of the form 2*n^2 + 78*n + 37.at n=24A217501
• Primes of the form 4^x + y^4 with x, y > 0.at n=16A250717
• Primes of form n^2 + 4096.at n=35A256836
• Numbers equal to the sum of the aliquot parts of the following k numbers, for some k.at n=25A320022
• Primes such that x^16 = 2 has a solution in Z/pZ, but x^32 = 2 does not.at n=22A373468
• Lexicographically earliest sequence of prime numbers whose partial products, starting from the second, are all Fermat pseudoprimes to base 2 (A001567).at n=7A374028
• Lexicographically earliest strictly increasing sequence of prime numbers whose partial products, starting from the second, are all Fermat pseudoprimes to base 2 (A001567).at n=6A374029
• Prime numbersat n=5568