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The Mystery of 6174 6174. Great!!!.
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[Audio] Mathematics hides secrets that feel like magic And one of the strangest secrets is a number… 6174 No matter where you start, you always end up here Great!!!.
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[Audio] Take any 4-digit number (not all digits same) Rearrange digits for largest and smallest numbers Subtract small from big. Repeat with result Great!!!.
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[Audio] Example 3524 Rearrange digits so that Largest Number = 5432 Smallest Number = 2345 5432 – 2345 = 3087 Repeat 8730 – 0378 = 8352 8532 – 2358 = 6174! From now on, it repeats: 7641 – 1467 = 6174 Great!!!.
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[Audio] “No matter the number, in at most 7 steps, you always reach 6174. Discovered by Indian mathematician Dattatreya Ramchandra Kaprekar Simple rules, magical results.” Great!!!.
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This is the beauty of math—it keeps challenging us to explore, discover, and wonder.
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9477 6174 1749 6174 KAPREKAR'S CONSTANT+. Great!!!.