Sequence Frenzy

What number comes next in the sequence:

13, 17, 31, 37, 71, 73, 79, 97 and _______?

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July 11th, 2013 | Category: Brain Riddle, Mathematical |  Email This Riddle

2 guesses to Sequence Frenzy

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• Nanao Ise

  August 13, 2013 at 12:31 AM

  107?

  I believe this is, in ascending order, a list of emirps – that is to say, reversible primes. If you take their digits and reverse them, a different prime number can be found.

• Dude

  August 13, 2013 at 10:15 PM

  Correct Nanao Ise.

  You are today’s winner.