16240900

Appears in sequences

• Squares of even pentagonal numbers.at n=26A014770
• Even squares which can be expressed as the product of a number and its reversal in at least two different ways.at n=4A083406
• Squares which can be expressed as the product of a number and its reversal in at least two different ways.at n=4A083408
• Squares which can be expressed as the product of a number and its reversal in exactly two ways.at n=3A325150
• Primitive coreful weird numbers: powerful numbers k that are coreful abundant (A308053) but no subset of their aliquot coreful divisors sums to k.at n=4A391142
• Primitive exponential weird numbers: powerful numbers that are exponential abundant (A129575) but not exponential pseudoperfect (A318100).at n=4A391144