Geeky Pin Numbers

Pin numbers are usually just four digits that mean an access to your bank account. But sometimes, mostly to geeks or math enthusiasts, they mean much, much more.

0042

If you’re read The Hitchiker’s Guide to the Galaxy, then you know that 42 is the answer to the ultimate question of life, the Universe and everything. What is the question? Well, that was why Earth came to be in the first place.

1138

Well, the number that has been a part of our life since George Lucas came out with his early short films that turned into a feature film – THX 1138. It has showed up in pretty much everything Lucas related ever since in some kind of form.

1337

How do you spell ‘leet’ in Leet? Well, like this – 1337.

1701

Simply the serial number for the most famous fictional ship in the history and the future of mankind – NCC-1701, USS Enterprise.

1969

The only value less than 1,000,000 for which the the Standard Mod-N Ackermann Function does not stabilize

3435

Along with 1 and 438579088, the only numbers with the property that the sum of its digits raised to themselves produces the original numbers. Check it out.

5141

The only four digit number that is reversed in a Hexadecimal.

6174

Kaperkar’s Constant, which is just a neat way to do a cool math trick. Take any four digit number from 0001-9999; Arrange the digits in increasing and then in decreasing  order, getting two four-digit numbers; Subtract the smaller number from the bigger one; Repeat steps 2 and 3, until you get this result – 6174. It’ll be achieved in a maximum of 7 iterations.

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