Most of us have read the Secret Seven, I know, you are well aware of the ‘Sleeping Beauty and the Seven Dwarfs’.  There are seven wonders of the ancient world, there are seven colors in a rainbow, there are seven basic musical notes, there are seven days in a week and yes, seven continents in the world! That sounds wonderful! Just look at the prominent presence of the number 7 in all of them.

 ‘Seven’ plays a lead-role in chemistry. Seven is the pH of neutrality, lies exactly at the center of acidity and alkalinity. The number of rows in the periodic table of elements is also seven. Moreover there are seven basic logic gates and there are seven layers in the OSI model. Do you know any more facts about this magical number ‘seven’? Then add to this list!

hey your name is also contains 7letters........hehehehehe........ i add another seven

well you have given a superb post dear.......

there are seven days in a week and there are seven continents in the world

and..........

Where 666 is the number of the beast, an unlucky number, 777 is considered to be the luckiest number.  Seven is also one of the few basic numbers in the english system, non-divisable by any number other than 1...