Question

2,13,67,?,1639 find the missing number​

Answer 1

271,817

Step-by-step explanation:

2

(2*6)+1 = 13.

(13*5)+2 = 67.

(67*4)+3 = 271.

(271*3)+4 = 817.

(817*2)+5 = 1639.

Answer 2

Answer:

271

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