6174

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Number

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

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


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


The $1068$th harshad number:
$6174 = 343 \times 18 = 343 \times \paren {6 + 1 + 7 + 4}$


Also see

  • Definition:Kaprekar's Constant
  • Previous  ... Next: Harshad Number


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $6174$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $6174$