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Please Explain A "Vampire Number"

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Kevboe11's Avatar
United States
73 Posts
 Posted 03/04/2021  5:34 pm Show Profile   Bookmark this topic Add Kevboe11 to your friends list Get a Link to this Message Number of Subscribers
I looked up this serial # and its a so called "vampire number" with a 99% coolness rating. I Googled it and still have no clue as to the meaning. Anyon e have a simple man explanation and value?
Please-Explain-A-
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norantyki's Avatar
404 Posts
 Posted 03/04/2021  5:56 pm  Show Profile   Bookmark this reply Add norantyki to your friends list Get a Link to this Reply
This appears to me to be a regular serial no... go spend your 20 bucks.
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silverwolf's Avatar
Canada
3733 Posts
 Posted 03/04/2021  6:06 pm  Show Profile   Bookmark this reply Add silverwolf to your friends list Get a Link to this Reply
I've never heard of a vampire number..
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atticguy's Avatar
United States
1373 Posts
 Posted 03/04/2021  6:09 pm  Show Profile   Bookmark this reply Add atticguy to your friends list Get a Link to this Reply
Likewise, I can't figure out anything of interest in this note. I've never heard of 'vampire numbers' before, and I'm hoping someone else here might know and answer.

One thing I DO KNOW is that I'd much rather have this posted note (no matter what serial number) than the two $1 bills I currently have in my wallet.
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hfjacinto's Avatar
United States
7276 Posts
 Posted 03/04/2021  6:12 pm  Show Profile   Bookmark this reply Add hfjacinto to your friends list Get a Link to this Reply
It's worth $20, vampire like coolness factor are ways for the not collectors to get parted with there money.
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Kevboe11's Avatar
United States
73 Posts
 Posted 03/04/2021  6:17 pm  Show Profile   Bookmark this reply Add Kevboe11 to your friends list Get a Link to this Reply
I'm gonna keep it, its UNC and a 99% coolness rating is worth keeping in my eyes. Maybe my kids can cash in on it eventually. If I'm lucky, Bram Stoker will see this and make his fangs salivate and pay up...
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ijn1944's Avatar
United States
19146 Posts
 Posted 03/04/2021  6:19 pm  Show Profile   Bookmark this reply Add ijn1944 to your friends list Get a Link to this Reply
Don't expose it to sunlight...
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Rothery's Avatar
2145 Posts
 Posted 03/04/2021  6:19 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply
This is what the Fancy Serial Number Checker has to say:
(But I don't know what it really means - to me it's just another boring serial number)

How Cool Is 36345820?Powered by CoolNumbers.com
99.0%
Coolness Index
extremely cool
Rating

What makes this serial number special (or not)?
36345820 is a vampire number whose fangs are 5834 x 6230.

Only 0.0034% of 8-digit numbers have this property.
36345820 contains a run of 3. In 4.4% of 8-digit numbers, there are forward runs of 3 or longer.

36345820 contains 5 consecutive digits. Only 12% of 8-digit numbers have 5 or more consecutive digits.
36345820 has 7 unique digits. In 19% of 8-digit numbers, there are 7 or more unique digits.
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norantyki's Avatar
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 Posted 03/04/2021  6:43 pm  Show Profile   Bookmark this reply Add norantyki to your friends list Get a Link to this Reply
This is why computers / blockchain can never truly replace humans - not everything can be subsumed to statistics... the Soviet Union was proof of that...
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PNWType's Avatar
United States
561 Posts
 Posted 03/04/2021  6:57 pm  Show Profile   Bookmark this reply Add PNWType to your friends list Get a Link to this Reply
From what Rothery posted, it seems that--

Vampire Number: a product of two numbers whose digits are all represented in the final product

5834 * 6230
=
36345820

Mathematically, that's an interesting concept. In terms of getting more than $20 for a "Vampire" serial, no way!
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Rothery's Avatar
2145 Posts
 Posted 03/04/2021  7:09 pm  Show Profile   Bookmark this reply Add Rothery to your friends list Get a Link to this Reply

Quote:
Vampire Number: a product of two numbers whose digits are all represented in the final product

5834 * 6230
=
36345820

Oh, now I see, who the heck has time to look at serial numbers and figure that out? Yeah, you're right - it's worth 20$ so spend it
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macmercury's Avatar
United States
5825 Posts
 Posted 03/04/2021  7:11 pm  Show Profile   Bookmark this reply Add macmercury to your friends list Get a Link to this Reply
Thanks for clearing it PNWType, you're right with value wise.
Maybe some mathematician will appreciate it.
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Tunnioc's Avatar
United States
3173 Posts
 Posted 03/04/2021  7:19 pm  Show Profile   Bookmark this reply Add Tunnioc to your friends list Get a Link to this Reply
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Wade's Avatar
Canada
2781 Posts
 Posted 03/04/2021  8:04 pm  Show Profile   Bookmark this reply Add Wade to your friends list Get a Link to this Reply

Quote:
99% coolness rating


99% of $20 is $19.80


Quote:
Only 0.0034% of 8-digit numbers have this property.


ok, but the $20 in my pocket is the only one of it's kind (serial # wise) so it must be worth a fortune?




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Kevboe11's Avatar
United States
73 Posts
 Posted 03/04/2021  11:26 pm  Show Profile   Bookmark this reply Add Kevboe11 to your friends list Get a Link to this Reply
I'm not that hard up for $20, its worth keeping it myself. Its interesting to me plus I keep anything 99% and above as long as it's UNC. Why not? I collect to collect, not interested in resale. I'll hand it down just like my collection has been for generations now.
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GregAlex's Avatar
United States
822 Posts
 Posted 03/12/2021  12:26 pm  Show Profile   Bookmark this reply Add GregAlex to your friends list Get a Link to this Reply
If you have to rely on a computer algorithm to tell you what is cool, that's probably not the best approach to collecting. It's your choice to pass it down to your grandchildren, but they will spend it. And in 20 years this will be worth a good bit less, thanks to inflation.
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