The mysterious number 6174
https://plus.maths.org/content/mysterious-number-6174
Investigation, Publisher, NRICH
The simple, fun and quite amazing arithmetical process that always leads to 6174.
See also this video from Numberphile.
25 October 2018 Edit: 25 October 2018
User submitted, thanks to Ken Wessen
- Topics:
- General, Fun, Number, Special Numbers
- Content Type:
- Investigation, Publisher, NRICH
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