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Today is Day 39 of 2012

39

is the smallest number which has 3 different partitions into 3 parts which all give the same product when multiplied.

= 3 x 13 = 3 + 5 + 7 + 11 + 13 (the sum of a sequence of consecutive primes and the product of the first and last primes in that sequence)

39 x 186 = 7254 (this equality contains all digits 1 to 9 once)

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




39

Today is day number   of 2012. Below are various representations of the number 39, 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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