What number comes next in the sequence:
13, 17, 31, 37, 71, 73, 79, 97 and _______?
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Sequence FrenzyWhat number comes next in the sequence: 13, 17, 31, 37, 71, 73, 79, 97 and _______? 2 guesses to Sequence Frenzy |
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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.
Correct Nanao Ise.
You are today’s winner.