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Q: What number comes next in this sequence 1 3 11 47?

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11

42 is the next number in this sequence. This number sequence is adding the next prime number to the last number. So 1 + 2 = 3. Then 3 + 3 = 6, 6 + 5 = 11, 11 + 7 = 18, 18 + 11 = 29. The next prime number after 11 is 13, so 29 + 13 = 42. The next numbers would be 59 (42+17), 78 (59+19), and 101 (78+23)

Think it's 30...then 20

The next number in this sequence is 13112221.

It looks like it is +6, -5, +12, -5. So I would assume the next number is +18, or 29.

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11

11

14

42 is the next number in this sequence. This number sequence is adding the next prime number to the last number. So 1 + 2 = 3. Then 3 + 3 = 6, 6 + 5 = 11, 11 + 7 = 18, 18 + 11 = 29. The next prime number after 11 is 13, so 29 + 13 = 42. The next numbers would be 59 (42+17), 78 (59+19), and 101 (78+23)

I'm fairly sure you meant the "4" to be a "3" in this sequence. There is no "next number" in the sequence given, since there is no rule that encompasses the entire sequence. And to be fair, in number sequences, any number can still logically be "next". If it's not the number that you expect, it is still a number sequence. It is just not a predicable one.

Think it's 30...then 20

the numbers next in series are 35,43,51,... any two consecutive terms has a difference of 8

The next number in the sequence is 122. The pattern involves adding increasing increments to each number in the sequence: +14, +10, +11, +13.

The next number in this sequence is 13112221.

It looks like it is +6, -5, +12, -5. So I would assume the next number is +18, or 29.

it has to be 11

It all depends on the sequence you are talking about. For example, the next number in the sequence 0,1,1,2,3,5,8,13,_ would be 21. This would be the Fibonacci sequence as the rule is add the 2 previous terms to get the next term. Another example would be this: 11,121,1331,14641,______.The missing number is 161051, following the pattern of powers of 11, 11^1, 11^2, 11^3 and so on. If you understand what I am trying to say, it all depends on the sequence you are trying to find the number in.