Brain Teasers
1, 2, 2, 3, 2, 4, 2, 4, 3, 4, _, _, _
1, 2, 2, 3, 2, 4, 2, 4, 3, 4, _, _, _
Hint
Which terms are 2, and which terms are odd?Answer
2, 6, 2.They are the numbers of divisors of the positive integers. 1 has 1 divisor, 2 has 2 divisors, and so on.
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Comments
Fun! After the hint, I got it.
Got it after I realized the 2's were the primes...
Aug 16, 2012
i dont get it plz explain
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