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Old 2013-01-13, 15:19   #23
xilman
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Quote:
Originally Posted by Uncwilly View Post
Yesterday was a busy day for me, but I was going to post:

1+12=13
Equivalently, 12+1=13 in little-endian format.



Today, 13*1 = 1*13=13

Last fiddled with by xilman on 2013-01-13 at 15:20 Reason: Little-endian and middle-endian
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Old 2013-01-13, 15:28   #24
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\frac{13}{13}=1
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Old 2013-01-14, 13:54   #25
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(13-14)+2-0 = 1
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Old 2013-01-14, 17:31   #26
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Since we're only allowed one entry here per day,
with one-ups-manship to be avoided, I'll leave unnoticed
the fact that

21+3 = (1+1),4 + 0

where , is concatenation.
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Old 2013-02-01, 06:00   #27
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Today has been:
13131 = YYMDD
or
31113 = DDMYY

both palindromes.
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Old 2013-02-01, 08:09   #28
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Quote:
Originally Posted by ATH View Post
Today is my birthday. I was born in 19xx. My age is: xx div 2
Not possible on November 28th, 2012.

Your birth year would have to be 1974-2/3rds and your age would have to be 37-1/3rd. But if your age was 37-1/3rd, it would not be your birthday.

...or if your birth year was 1975, your age would be 75 / 2 = 37.5...once again it wouldn't be your birthday.

:-)

Last fiddled with by gd_barnes on 2013-02-01 at 08:17
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Old 2013-02-01, 08:22   #29
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1213
1321
2113
20113
130201
are all prime
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Old 2013-02-01, 08:39   #30
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Quote:
Originally Posted by gd_barnes View Post
Not possible on November 28th, 2012.

Your birth year would have to be 1974-2/3rds and your age would have to be 37-1/3rd. But if your age was 37-1/3rd, it would not be your birthday.

...or if your birth year was 1975, your age would be 75 / 2 = 37.5...once again it wouldn't be your birthday.

:-)
"Div" is integer division, smartass

75 div 2 = 37
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Old 2013-02-02, 04:07   #31
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Quote:
Originally Posted by axn View Post
"Div" is integer division, smartass

75 div 2 = 37
Nice name calling.

It depends on the audience. If you're not a programmer, which 90+% of the population and likely 50+% of this forum is not, div is just short for divided by.
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Old 2013-02-02, 05:02   #32
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Today 13, 2, 1
1321 is prime
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Old 2013-02-02, 06:19   #33
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div is, where I come from, a divergence operator on a differentiable vector field.
The results is a scalar field.
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