113213

Properties

Appears in sequences

• Primes from merging of 6 successive digits in decimal expansion of the Champernowne Constant.at n=19A104949
• Number of solutions to +-1^2 +- 2^2 +- 3^2 +- ... +- n^2 = n.at n=28A348165
• a(1) = 1; for n > 1, a(n) is the smallest positive number such that the sum of all terms a(1) + ... + a(n) has the same number of prime factors, counted with multiplicity, as the product of all terms a(1) * ... * a(n).at n=10A364139
• Prime numbersat n=10731