what do the numbers 1, 2, 4, 14, and 21 have in common?

Not sure on the answer. It might be something really simple, like that 1 goes into all of them. Or it could be the least common multiple of a number. It could even have something to do with the spelling. Not sure.
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1 Answer

maebee 1+2+4=7

7+7=14

14+7=21
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