The meaningfulness of rearranging the digits in a base-10 representation is fully and sufficiently demonstrated... by coming up with an interesting non-obvious

The meaningfulness of rearranging the digits in a base-10 representation is fully and sufficiently demonstrated... by coming up with an interesting non-obvious mathematical fact that depends on rearranging the digits in a base-10 representation. Meaning is something you get out of a math trick, not something you put into it.