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 Uncwilly 2013-01-01 17:37

[CODE]13 <- year is prime
-1 <-take away month
-1 <-take away day
-------------------
11 <- prime
[/CODE]

 firejuggler 2013-01-01 17:47

mulltiply year by day and divide by month, we still are in the same year!

2013 is one of the rare years whose Gregorian year number has "0", "1", "2", and "3".

Next one will be 2031, then no more until 2103.

 Uncwilly 2013-01-05 01:20

[QUOTE=cheesehead;323429]2013 is one of the rare years whose Gregorian year number has "0", "1", "2", and "3".[/QUOTE]
And today added a "4" in the date.

 Uncwilly 2013-01-05 17:18

Today's date: 5/1/13 (Euro style)
5=1+1+3

 Uncwilly 2013-01-06 15:09

[CODE] 20 <-century
-13 <-years
- 1 <-month
---------------
6 <-day[/CODE]

 Stargate38 2013-01-06 16:59

(2013[sup]2[/sup]-911)/2 is prime.

((2013[sup]61[/sup]-1)/2012)-61 is divisible by 503 (a factor of 2012).

 Uncwilly 2013-01-07 16:17

(20-13)/7=1

2+0+1+3+1=7

 davar55 2013-01-08 11:30

Today is (over here) 1/8/13, and (1+1)^3 = 8.

Over there, it's 8/1/13, so 8 = (1+1)^3.

 davar55 2013-01-13 12:12

oh well, this one is too good to ignore, even a day late

yesterday: 1/12/13

11213 is the smallest five digit Mersenne prime exponent

 Uncwilly 2013-01-13 15:16

[QUOTE=davar55;324573]yesterday: 1/12/13

11213 is the smallest five digit Mersenne prime exponent[/QUOTE]
Yesterday was a busy day for me, but I was going to post:

1+12=13

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