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1, 1, 2, 3, 5, 8, 13, 21... is the Fibonacci Series

It could as well be a series of prime numbers :

1, 2, 3, 5, 7, 11, 13, 17, 19, etc.

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Q: What numbers are missing from 1 2 3 5 13 21?
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Related questions

Whats the missing numbers in the following sequences 1 2 3 5 13 21?

There are 2 missing. The sequence is 1,1,2,3,5,8,13,21. the equation is na=na-1+na-2. 1+1=2,+1=3,+2=5,+3=8,5=13,+8=21 The numbers you are missing are 1 and 8


What are the 2 missing numbers in this sequence 1 2 3 5 13 21?

8 and 34 Alterative answer: Convensionally, the Fibonacci sequence starts with two 1s. So 1 and 8 are missing.


What number is missing in the sequence 0 1 1 2 3 5 8 13 34 55?

21 between 13 and 34; it is the Fibonacci numbers where each successive number is the sum of the previous two.


What is the missing number of 1-2- 3- 5 -8 -13?

21


Find the missing numbers 13 10 17 15 21?

13 10 17 15 21 13 - 10 = -3 10 - 17 = +7 17 - 15 = -2 15 - 21 = +6 The negative numbers alternate with the positive numbers The negative numbers are augmented by +1 each step The positive numbers are diminished by -1 each sterp So the next step from 21 is a negative and should be -2 increased by +1 to -1 giving a new value of 20 Then the next step is a positive and should be +6 decreased by -1 to +5 giving 25 13 - 10 = -3 10 - 17 = +7 17 - 15 = -2 15 - 21 = +6 21 - 20 = -1 20 - 25 = +5


Number sequence what numbers are missing 1 4 7 13?

10 (between 7 and 13)


Fill in the missing number 0112358-3455?

The missing number is 1321!!! Simple Fibonacci row! 0+1=1 1+1=2 1+2=3 2+3=5 3+5=8 5+8=13 8+13=21 13+21=34 ......


What are all the prime numbers from 1-21?

The prime numbers from 1 to 21 are 2, 3, 5, 7, 11, 13, 17, and 19.


What is the missing number in the sequence shown below 1 2 3 5 13 21?

The sequence is 1,2,3,5,8,13,21.......8 is the missing number. This is known as a Fibonacci Sequence. The first two numbers are supplied and then further numbers in the sequence are formed from the sum of the two prior numbers. 3 = 1 + 2 5 = 2 + 3 8 = 3 + 5.....and so on.


What five numbers come next 1-1-2-3-5-8-13?

This is the Fibonacci sequence where each new number is the sum of the last two numbers. So the next numbers are: 8 + 13 = 21 13 + 21 = 34 21 + 34 = 55 34 + 55 = 89 55 + 89 = 144


Were is the lusitania lifeboats?

Yes there were the numbers of them were 1, 11, 13, 15, 19, and 21


What is the pattern of the Fibonacci numbers?

0, 1, 1 (0+1), 2 (1+1), 3 (2+1), 5 (2+3), 8 (3+5), 13(5+8), 21 (13+8), 34 (21+13),....and so on.