451044

Appears in sequences

• Numbers k such that sigma(k+1) = 5*phi(k).at n=29A067263
• Numbers whose square is the product of a number and its reverse.at n=34A207373
• Numbers that are product of a second hexagonal number (A014105) and a square pyramidal numbers (A000330) in at least two ways.at n=28A306122
• Non-palindromes numbers not ending in 0 whose square is the product of a number and its reverse in only one way.at n=21A325151