Lucky Numbers - NRICH

All Prints: What does the lucky number mean? FAQ lucky number Lucky numbers · Think of a number Any number · Add 9 to the number you thought of above · Multiply that number by 2 · Subtract 4 · Divide the lucky jackpot result today lucky number The first few lucky numbers are 1, 3, 7, 9, 13, 15, 21, 25, 31, 33, 37, 43, 49, 51, 63, 67, 69, 73, 75, 79, 87, 93, 99, etc ,

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