What are the next two numbers in series?

Six hundred and forty

Five thousand

Eight thousand



What are the next two numbers? Is this a trick question?

Note: I am using the UK way of numbering that includes "and". Unlike us Americans who write many different ways :)


2 Answers 2


So it looks like

Each number you've written contains each vowel exactly once.

Which means the next two numbers are (I think)

Nine thousand
Twenty-six thousand


I think number in sequence is :

9000, 80,000 ( Nine Thousand , Eighty Thousand)

Reasoning :

I observed in above sequence all numbers contains every vowels ("a,e,i,o,u") only onces all other number after 9000 contains fews vowels or repeated vowels if we check . Nine Thousand is made up of (a,e,i,o,u) ,same for Eighty Thousand .

  • $\begingroup$ 26000? What about that number? $\endgroup$
    – DrD
    Apr 1, 2020 at 14:34
  • 1
    $\begingroup$ I miss that number i thought all number will begin with 6,5,8 .. so on . but ,i was wrong maybe $\endgroup$
    – Swati
    Apr 1, 2020 at 14:40

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