# Happy 11-11-11

Today Special Day 11-11-2011 (Friday)
**1**.**The numerical sequence of November 11 holds a special significance** in the binary numeral system, which is the base-2 number system that represents numeric values using two symbols, 0 and 1. The date of November 11 has a binary number of 111110 where it has a decimal equivalent of 62 in the year 2010, and a binary number of 111111 with a decimal equivalent of 63 in the year 2011.
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The number eleven has a special characteristic in mathematics where it is the sixth prime number. It contains some interesting peculiarities where the number eleven times itself equals a palindrome:
(2 digits) 11 x 11 = 121
(6 digits) 111111 x 111111 = 12345654321
(9 digits) 111111111 x 111111111 = 12345678987654321
**2.Yes the all digit in date is 1 this is special**
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**3.Will happen every 100 years !!! Wats the big deal ?? ;)**
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**4.11=11=11 is an important unique date for me**

**5.**Ya special day for me I born in 11.11 and too ma birthday 11.11.11

**6**.if v multiply 111111 by 111111 v get 12345654321.. unique enough?

**7.**Good Morning Friend, not seen only date my friend also seen time ,date 11.11.11 time 11.11.11

**8.**It never cmes again and next is 12.12.12 After this no dates will be equal till 2100

**9**.in every year something new happen like 12.12.12, 10.10.10, 09.09.09 etc.. so don't be so curious

**10.**

**Is there a special meaning behind these unique dates? Or is it just pure math? Tell us How often will the day 11-11-11 happen?**

**Happy 11-11-11**