# Thread: Find the next number in the sequence

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## Find the next number in the sequence

1,2,3,5,7,11,..

2. Entry Level Fresher
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379, it's the sequence of happy primes. And my mum says you don't learn stuff from watching Doctor Who...
Source(s):
Doctor Who (42).

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Any number that reduces to one when you take the sum of the square of its digits and continue iterating it until it yields 1 is a happy number, any number that doesn't, isn't. A happy prime is a number that is both happy and prime

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1,2,3,5,7,11,..
__________
sanatan.

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hi
this line is prime number sequence 1 to 100 25 prime number.
1,2,3,5,,7,11,13,

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## Find the next number in the sequence

Find the next number in the following sequence: 1, 4, 9, 16, 25,....

I notice that 12 = 1, 22 = 4, 32 = 9, 42 = 16, and 52 = 25. So it looks as though the pattern here is squaring. That is, for the first term (the 1-st term), it looks like they squared 1; for the second term (the 2-nd term), they squared 2; for the third term (the 3-rd term), they squared 3; and so on. For the n-th term ("the enn-eth term"), they will probably want me to square n. In particular, for the sixth term, they will probably want me to square 6.

The next number in the sequence is 62 = 36.

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1,2,3,5,7,11,..
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