# Thread: New clue: sixth number

1. ## New clue: sixth number

"The sixth number in the sequence is the second number used to open the compartment in National Treasure: Book of Secrets."

I suspect that this breaks most people's answers, if the approaches that most of us have been taking are similar. Does this fit anyone's answer?

2. Expert Twelever TwelevePlus
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Lobster,

It's been the nearer part of forever since I watched that DVD for the book, and I can't put my hands on it. What was the whole numerical sequence?

I wonder why he skipped five.

3. Hey Doc -- I had forgotten too.

You can find a script of the movie here:

There are at least two "obvious" interpretations of the clue. Both ruin my day :P

4. Expert Twelever TwelevePlus
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Many thanks, man.

VERY, very curious.

5. Expert Twelever TwelevePlus
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Lobster, this is a very interesting clue. It's much more puzzle-like than a straightforward clue.

I get the impression the clue is supposed to fill in the fifth space as well. I was expecting the next two numbers to be 19 and 18, and seeing one of the combinations to the compartment as 1819 has me scratching my head.

6. I think I'll have to actually have to go back and watch the movie to make sure I'm thinking of the right thing.

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The first number they tried didn't work if I read the script correctly. 1819.
The second number was correct. 1876.

This is a very interesting clue.

If you just put '8' into the sixth spot, the previous facebook clue doesn't work. The sequence beginning 'UXXXXXX'.

There's something curious going on here, and I like this sort of stuff. Look at what the author has given us thus far combined with today's clue:

A TEN _ SIX.

This is one of the first=last things. SIX 'IS X'.

Therefore A TEN = IS X. So far, so good.

Now, just substitute what the new clue is suggesting--that the sixth spot is '8'.

A T E N _ ATE.

First = last again.

The author is trying to tell us something. Let me scratch my head some more.

Let me know what you think.

8. Well, my initial thinking is that this clue could be referring to a few different numbers and is therefore of little practical use.

9. The most obvious interpretation, if we're to believe that these clues should be interpreted in the most obvious manner, is that it is refering to the number "1876", since one of our keys is labeled that AND it is the second number input to open a compartment. That would make our 6th key 13.

10. That answer has a definite confirmation for the sixth key.