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14th November 2010, 12:01 PM
#161
Senior Member
Devoted Hubber
Originally Posted by
rajraj
Some more words of Ramanujan as hint:
Ramanujan: No Hardy! It is the smallest number that can be expressed as the sum of two___________________
Originally Posted by
rajraj
Hardy: I rode in a taxi with the number 1729. An ordinary number
Ramanujan: No Hardy! It is a special number. It is the smallest number that can be exppressed as.............................
Fill in the blanks!
( Don't search the internet or run to the libray/bookstore for books on Ramanujan!
)
I have heard this story before, but waiting for someone to answer
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14th November 2010 12:01 PM
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14th November 2010, 12:09 PM
#162
Senior Member
Seasoned Hubber
naanum andha story kaelvi pattirukaen.
anyway one more specialty of the number 1729
1+7+2+9=19
multiply 19 by its reverse digit
i.e. 19 X 91 = 1729
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14th November 2010, 03:24 PM
#163
Senior Member
Veteran Hubber
sum of 2 different sets of cubes:
10 power 3 + 9 power 3 = 1000 + 729 = 1729
12 power 3 + 1 power 3 = 1728 + 1 = 1729
Damager - 30 roovaa da, 30 roovaa kuduththa 3 naaL kaNNu muzhichchu vElai senju 30 pakkam OttuvaNdaa!
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14th November 2010, 07:26 PM
#164
Senior Member
Veteran Hubber
Originally Posted by
sathya_1979
sum of 2 different sets of cubes:
10 power 3 + 9 power 3 = 1000 + 729 = 1729
12 power 3 + 1 power 3 = 1728 + 1 = 1729
Correct! 1729 is the smallest number that can be expressed as the sum of two cubes in two different ways !
" I think there is a world market for may be five computers". IBM Chairman Thomas Watson in 1943.
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