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What are the next three letters in this series?
T, T, F, S, E, T, S, N, T, T, T, T, _, _, _
T, T, F, S, E, T, S, N, T, T, T, T, _, _, _
Answer
F, F, FThese are the first letters of the prime numbers smaller than fifty:
Two, Three, Five, Seven, Eleven, Thirteen, Seventeen, Nineteen, Twenty-three, Twenty-nine, Thirty-one, Thirty-seven, Forty-one, Forty-three, Forty-seven
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Comments
great teaser
interesting one
interesting one
I knew they were numbers, but I couldn't get the pattern. Good job!
Give me a break!!!
$D
$D
Nice. I also knew that they were numbers, because I've had OTTFFSSENT knocked into my brain, but I couldn't get the prime part. Good job!
And sourdough, that was rude. Don't made an account just to insult random people's teasers.
And sourdough, that was rude. Don't made an account just to insult random people's teasers.
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