89839

Properties

Appears in sequences

• a(n) =60*sum(1<=u<=v<=w<=m,u^2*v^2/w).at n=6A088945
• Numbers n such that the digital sum of n is the same as the digital sum of n^2 in both base 2 and base 10.at n=31A261640
• Centered 21-gonal primes.at n=19A276261
• Prime numbersat n=8699