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Today is Day 305 of 2014

305

is the 5th 'hexagonal prism' number. An hexagonal prism number is of the form (n + 1)(3n2 + 3n + 1).

3052 = 2072 + 2242 = 1362 + 2732 (Pythagorean triple)

= 5 x 61

Many thanks are extended to Archimedes' Lab for their information.




305

Today is day number   of 2014. Below are various representations of the number 305, some dating thousands of years, and some very modern.

Chinese

Egyptian

Mayan

 

Babylonian

Greek

Abacus

Roman

 

Hex

 

Binary

 

Many thanks are extended to Jo Edkins for her wonderful work.

 

 



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