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Start with 28, square it, and take away 1. Or go one step up and one step down, thereby multiplying 27 by 29.

Either way, you get 783.

As well as being equal to 28 squared, 784 is the sum of the cubes of the first seven integers.

In Forbes' 2008 list of billionaires, Facebook founder Mark Zuckerberg was ranked 785th.

http://www.forbes.com/lists/2008/10/bil ... _I9UB.html

The number 786 is seen as sacred by some Muslims. According to one Arabic system of numerology, 786 is the total value of the letters of Bismillah al-Rahman al-Rahim, which is the opening phrase of the Qur'an and means "in the name of Allah, the compassionate, the merciful".

The aircraft the "Dreamliner" is a Boeing 787

Lodge St John Corstorphine No.788 is a Masonic Lodge based in Edinburgh and founded in 1892.

Why was 6 scared of 7?

Because 789!

790 is a robotic character from the Canadian/German science fiction series Lexx.

The B791 was a short B-road in central Renfrewshire. (It is also the highest-numbered Class II road in the 7 zone in the original 1922 numbering.)

792 kHz is the medium-wave frequency used by BBC Radio Foyle, the local opt-out station serving the Derry/Londonderry area.

793 is a happy number.

http://en.wikipedia.org/wiki/Happy_number

794 are the last three digits of Romsey's STD code.

Interstate 795 in Maryland, also known as the Northwest Expressway, is a nine-mile freeway linking Baltimore's northwestern suburbs to the Baltimore Beltway (Interstate 695).

In 796AD, (December) Coenwulf became king of Mercia.

Unlike the other Boeing planes featured recently, the Boeing 797 doesn't exist. It was the subject of an internet hoax that has been running since 2006.