Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13- Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(166, 13, 4)
(2113, 46, 7)
1
(97, 33, 11)
2
(481, 22, 5)
3
(131, 11, 3)
4
(236, 36, 6)