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Assume the question refers to the standard Fibonacci sequence where the first two numbers are 0 and 1.

The sequence progresses :- 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 - which is the number required.

Q: What Fibonacci number comes after 21?

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3,5,8,13 is followed by 21. 1,1,2,3,5,8,13,21,34,55,... is the Fibonacci series or Fibonacci sequence where the next number in the sequence is the sum of the last two numbers (1+1=2, 1+2=3, 2+3=5, etc.)

No, 38 is not a Fibonacci number. The Fibonacci numbers closest to 38 are 34 and 55. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, etc.

Fibonacci sequence Fibonacci sequence

37 is not in the Fibonacci number series, but is the sum of two Fibonacci numbers, 34 and 3. Fibonacci numbers are with 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, etc.

Yes - 5 is the fifth Fibonacci number.

Related questions

21

A Fibonacci number

yes

21

Yes, 21 is a number in the Fibonacci sequence. Numbers are usually found by adding up 2 numbers.

The next is 233.

Fibonacci sequence adds the previous two numbers to get the next number. 1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597

2+3=53+5=85+8=1313+21=3333 is the next number in this pattern. This pattern is called a Fibonacci.

According to Fibonacci, who started with 1, the 9th number is 34. Modern mathematicians, who start with 0, consider 21 the 9th number.

3,5,8,13 is followed by 21. 1,1,2,3,5,8,13,21,34,55,... is the Fibonacci series or Fibonacci sequence where the next number in the sequence is the sum of the last two numbers (1+1=2, 1+2=3, 2+3=5, etc.)

No, 38 is not a Fibonacci number. The Fibonacci numbers closest to 38 are 34 and 55. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, etc.

Fibonacci sequence Fibonacci sequence