8648641

Appears in sequences

• Inverse Mobius transform of the superabundant numbers, A051731 * A004394.at n=36A134672
• The first number that is (at least) n-fold intrinsically 3-palindromic (represented in base ten).at n=22A171702
• The number of factorizations of an n-element set. (Defined below in Comments.)at n=13A338681