Q: 2 9 5 13 10 19 17 what comes next?

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27

27.

27, 26, 37, 37

14 15 16 17

The next number is 27. Nice puzzle! The reason is on discussion page, for those who are still working on it.

45

17

27

17 cause it is the next prime number

The next number in the sequence is 27.

The next number in the sequence is 27.

28 (add on the prime number 11)

You will notice that in the series you describe, each number increases by an amount that is one more than the previous increase, so 7 + 1 = 8, 8 + 2 = 10, 10 + 3 = 13, 13 + 4 = 17. The next sequence will require adding 5 to 17, giving us 22.

They are: 11 13 17 19 23 and 29

the answer is 27

27

twenty-seven.

27.

the answer is 27 the answer is 27

35

11, 13, 17, 19, 23, 29.

Look at the differences bettween the terms: 9-2=7, 5-9=-4, 13-5=8, 10-13=-3The differences finally are: 7,-4,8-3,9,-2. The next difference must be 10, so the next term is 27(27-17=10) and the next difference must be -1, so the next term must be 26(26-27=-1). Finally, the sequence is: 2 9 5 13 10 19 17 27 26 and so on.

This is a peculiar number sequence which follows the following rule: +7, -4, +8, -3, +9, -2... The next few functions would be +10, -1, +11, -0 And thus the next few numbers in the sequence would be 17+10=27, 27-1=26, and so on. The sequence in total goes 2, 9, 5, 13, 10, 19, 17, 27, 26, 37, 37.

The numbers are all prime in increasing order. The next number is 17.

It is 129.

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