2469241

Properties

Appears in sequences

• Primes in base 10 that remain primes in seven bases b, 2<=b<=10, expansions interpreted as decimal numbers.at n=8A052027
• Primes whose representation in base (2), base (3), base (4) and base (5) are also prime when read in decimal.at n=13A236512
• a(n) = Sum_{1 <= x_1, x_2 <= n} ( n/gcd(x_1, x_2, n) )^3.at n=18A372950
• Prime numbersat n=180988