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Old 09-22-2009, 06:53 PM
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Default Christmas on Halloween?

Was reading anonymous_mac_tech's post about Snow Leopard calculating disk space in base 10 and remembered an old bar napkin trick where one could "prove" that Christmas and Halloween were the same.


So, in the spirit of levity and for those that don't know the trick, here it is.

Christmas = Halloween
Christmas is December 25th, Halloween is October 31st (bright minds will have already figured this out)
December 25th is Dec 25, Halloween is Oct 31.
Dec is also short for Decimal (base 10), Oct is also short for Octal (base 8)
Decimal 25 = Octal 31


first place on the right is always the 1's column, next place to the left of that is the first base value (in this example, 10 and 8)
Decimal 25 = 5 1's + 2 10's. 5+20=25
Octal 31 = 1 1's + 3 8's. 1+24=25
Therefore Christmas and Haloween are equal.

Set 'em up, bartender!
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Old 10-05-2009, 05:59 PM
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That's it then we should dress as Santa and Mrs. Claus for Halloween!!!
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Old 10-06-2009, 05:28 AM
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Those who have superior minds would also know that Christmas and Halloween are Pagan holidays (As well as Easter too) but Christianity borrowed them in order to avoid persecution from the Pagans and as Christianity grew to its status that it is today it eventually wound up taking Christmas & Easter as their own and will soon be losing Christmas thanks to commercialism.

Oh, I am Christian by the way.

Anyway, that's a very cool trick! So, lets see what it equals on other number-prefixed months

34 - September
31 - October
27 - November
25 - December

It seems September is the only impossible one. November 27th, 2014 happens to be Thanksgiving by the way.
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Old 10-06-2009, 05:45 AM
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Well...it's somewhat related:

http://simonwillison.net/2009/Oct/4/trickortreat/

Quote:
I grew up in a college town, and one Halloween our doorbell rang and we opened the door expecting to see trickortreater—but what was in front of our open door—was another door! Like, a full-on wooden door, that had a sign that said “Please knock.” So we did, and the door swung open to reveal a bunch of college dudes dressed as really old grandmothers, curlers in their hair, etc, who proceeded to coo over our “costumes” and tell us we were “such cute trick or treaters!” One even pinched my cheek. Then THEY gave US candy, closed their door, picked it up and walked to the next house.
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Old 10-06-2009, 03:08 PM
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While we are on number tricks:

Using only one solid, straight line make l O l O l O = 950

I'll be back later to answer this one unless someone beats me to it.

Rider
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Old 10-06-2009, 03:29 PM
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Quote:
Originally Posted by Rider View Post
While we are on number tricks:

Using only one solid, straight line make l O l O l O = 950

I'll be back later to answer this one unless someone beats me to it.

Rider
I give up


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Old 10-06-2009, 08:36 PM
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Quote:
Originally Posted by Rider View Post
While we are on number tricks:

Using only one solid, straight line make l O l O l O = 950

I'll be back later to answer this one unless someone beats me to it.

Rider
l O l O l O >> l O T O l O = 10 to 10 = 9:50

Everybody (me included) naturally tries to use binary to make it work but, as you can see, it has nothing to do with binary.

Rider
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Old 10-06-2009, 03:12 PM
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Quote:
Originally Posted by JosephLeo View Post

Anyway, that's a very cool trick! So, lets see what it equals on other number-prefixed months

34 - September
31 - October
27 - November
25 - December

It seems September is the only impossible one. November 27th, 2014 happens to be Thanksgiving by the way.
OK, educate me. I get October (Oct=octal) and December (Dec=decimal) but what number systems do September and November represent?

Rider
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Old 10-06-2009, 05:36 PM
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Quote:
Originally Posted by Rider View Post
OK, educate me. I get October (Oct=octal) and December (Dec=decimal) but what number systems do September and November represent?

Rider
1 = Uni/Mono
2 = Bi/Duo
3 = Tri
4 = Quad/Tetra
5 = Pent
6 = Hex/Sex
7 = Sept
8 = Oct
9 = Non/Nov
10 = Dec
100 = Cent
1,000 = Mill

I think 3rd grade math teaches you this.

Also, Base-2, Base-8, Base-10 and Base-16 (AKA Binary, Octal, Decimal and Hexidecimal) aren't the only number bases there are.

The highest practical base is Base 36 which uses 0~9 and then A~Z

Lowest is Unary which is 0's only.

0 = 1
00 = 2
000 = 3
0000 = 4
etc..

Last edited by JosephLeo; 10-06-2009 at 05:38 PM.
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Old 10-06-2009, 06:44 PM
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Quote:
Originally Posted by JosephLeo View Post
I think 3rd grade math teaches you this.

Also, Base-2, Base-8, Base-10 and Base-16 (AKA Binary, Octal, Decimal and Hexidecimal) aren't the only number bases there are.

The highest practical base is Base 36 which uses 0~9 and then A~Z
Why the need for the "3rd grade" comment? I did not learn that in the 3rd grade. If you did, good for you. Does that make you better than me? Does that make you smarter than me? I think not.

I do know my number systems and I should have seen the Sept connection however your Nov connection is a bit of a stretch.

BTW, the Base 60 or Sexagesimal system is widely used today. I'd call that practical.

Thank you for your answer but do me a favor, in the future keep your snyde remarks to yourself or just move on. Your insight isn't that important to me.


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