'Ghost number' 6174: Meet Dattatreya Ramchandra Kaprekar, the Indian schoolteacher who discovered a mysterious 4-digit number that almost always returns to itself

Dattatreya Ramchandra Kaprekar, an Indian schoolteacher, discovered the intriguing number 6174. This constant emerges from a simple four-digit number rearrangement process. Repeatedly applying this ...
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New signing points to Motherwell as prime style example

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