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What is the next number in this series - 1, 2, 6, 42, 1806, ?

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What is the next number in this series - 1, 2, 6, 42, 1806, ?
posted Dec 6, 2017 by Mridul

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2 Answers

+2 votes
 
Best answer

3,263,442
(1806 X 1807)

answer Dec 7, 2017 by Thillairajan
0 votes

Ans. 3263442
If previous term is 'a' then (a^2 + a ) is the next term.
As such it comes to (1806^2 + 1806).

answer Dec 11, 2017 by Vilas Joshi



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What comes next in this series? 0, 1, 2, 720!, ?

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0, 1, 2, 720!, ?

In math, the exclamation mark is a factorial, which is the product of every whole number from 1 to n.
For example, five factorial is written 5! = 1x2x3x4x5 = 120. By definition 0! = 1.
So 720! = 1x2x3x4x...718x719x720, which is a very large number.

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