6174

Number
$6174$ (six thousand, one hundred and seventy-four) is:


 * $2 \times 3^2 \times 7^3$


 * The terminal number of Kaprekar's process when applied to a positive integer with $4$ digits, not all of which are equal.


 * A harshad number:
 * $6174 = 343 \times 18 = 343 \times \left({6 + 1 + 7 + 4}\right)$

Also see

 * Definition:Kaprekar's Constant