### Brain Teasers

# 4, 12, 84, ...

Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series

What is the next number in this series?

4, 12, 84, 3612....

4, 12, 84, 3612....

### Hint

Use squared equations.### Answer

6526884. To get from 4 to 12, you use the following formula. 12 = (4 squared)/2 + 4.Continue on with (X^2)/2 + X.

Hide Hint Show Hint Hide Answer Show Answer

## What Next?

View a Similar Brain Teaser...

If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.

### Solve a Puzzle

Comments hidden to avoid spoilers.

## Follow Braingle!