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chaoticset (2105)

chaoticset
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JAPH. (That's right -- I'm not Really Inexperienced any more.)

I'm not just here, I'm here [perlmonks.org], and here [javajunkies.org] too, I ramble randomly in my philosophical blog [blogspot.com] and my other blog [blogspot.com]. Soon I'll come in a convenient six-pack.

Journal of chaoticset (2105)

Wednesday October 06, 2004
04:00 PM

Eye Dee

[ #21220 ]
I always thought generating unique IDs based on information (such as hashed IDs for web requests) was taxing for me -- but when I have a system with no structure but 'try to be memorable to a human', it gets much, much worse.

I have a system worked out now, though -- LDD-LDD-LDD, where L's are letters and D's are digits. Even using only consonants for the first and last letters and using only vowels for the middle, it generates some 246 million unique IDs, which is way more than I'm going to need any time in the near future.

I'm going to have to test this with some people, maybe move the digits around (for some reason, this enhances memorization -- look at phone numbers).


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  • Humans on average can remember no more than 7 or 8 things in a group. They do however have the ability to see smaller groups as single entities. For instance - international telephone numbers

    011639204351234 (ficticious # in the Philippines)

    011 - international
    63 - country code
    920 - equivalent of an area code
    435 - just like US
    1234 - just like US

    This 15 digit number just became only 5.

    Theoretically, this means that an average person should not have to exert a great deal of effort to learn a 49 to 64
    • with that many digits I could already calculate the circumference of the universe with the precision of no more than a atom's width of error

      I dare you do it :-)

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