12, 15, 24, 21, 30, 33, 24, 18, 6, 33, 24, 24, 30, 6, 24, 30, 21, 6, 30, 9, 9, 33, 24, 9, 27, 9, 6, 21, 16, 33, 27, 12, 9, 21, 30, 27, 18, 21, 12, 33, 24, 18, 33, 24, 21, 9, 15, 30, 30, 27.
Which number is the odd one out? Write down as many reasons as you can think of explaining why that number is the odd one out.
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