sum thing weird

 mathematician Srinivasa Ramanujan was  visited in the hospital by a colleague who  said  I came here  in cab number 1729 ... a very dull number it quite interesting  Ramanujan replete  immediately it the smallest sum of two cube in two different  ways (1792 =1%3 +12%3 and 9%3 +10%3) 1741,725 equals 1%7 + 7%7+4%7 1%7 7%7  2+%7 5%7 choose any prime number greater than 3 (e.g 23) add 14 number (23 x23 = 52 9) and (529+ 14= 543) divide by 12 (543//12= 45 with  retainer 3). The  remainder will  always  be 3! if  you add 17 instead of 14 the remainder will always  be 6. The Huber 111,111,111, multiplied by itself equals 12,345 678 987 654 321.  19  equals 1x9 +1+9 29 equals 2x9 +9+2  This work for all two digit numbers ending in 9 up to 99. When the teacher asked future mathematician Carl Friedrich  Gauss and his class to add all the numbers from 1to 100 together he had the answer  in 30 seconds. He realized that if you add 1 to 100 and you get 101 2+99 is also 101 and so until you get to 50+51 Therefore he  just multiplied by 50 to get 5050. Pick any 3 digit  number (e.g. 273) repeat the number (i.e 273, 273) divide  by 7 (273,273/7= 39,039 divide 11 (39,039/11=39,039) divide by  13 and you get your original number (3,549/13=273). from called book reply believe it or not