9,216

[Math.]  Three square numbers using the same digits: 362 = 1,296, 542 = 2,916 and 962 = 9,216.

 

9,237

[Math.]  Each ratio 46185/9237 = 5, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #5.

 

9,261

[Math.]  The largest 4-digit cube number = 213.

 

9,267

[Math.]  The ratio 18534/9267 = 2, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #2.

 

9,273

[Math.]  The ratio 18546/9273 = 2, using each of 9 digits 1-9 once, shows how to arrange a 9-book set on 2 shelves to mark the book #2.