66940

Appears in sequences

• Numbers which are the sum of their proper divisors containing the digit 3.at n=10A059462
• a(n) = 20 + floor( (1 + Sum_{j=1..n-1} a(j)) / 2 ).at n=20A120145
• Numbers n with property that n^2 is a sum of some 120 successive primes.at n=35A166262