Thursday, 23 February 2012

Number 6174

Let me show how the number 6174 occurs and what is strange about it.
The number 6174 is somewhat similar to 1089 discussed in an earlier blog.
Take any 4 distinct digits like say 2,8,3,5
Form the highest number 8532 and the smallest number 2358
Deduct the smaller one from higher one...8532-2358=6174
The process needs several repetitions  many times.However always you will end up with 6174- like a  black hole
Second example-1,8,3,5.......8531-1358=7173......Repeat...7731-1377=6354....
Repeat  6543=3456=3087....Repeat    8730-0378=8352...Repeat....8532-2358=6174
  

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