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Monday, 21 April 2014

Magic Numbers-Armstrong Nos-Pyramid Nos

Armstrong Number

The number whose summation of cubeth root of every number is equal to that number.
Examples
153 = 13 + 53 + 33 = 153
370 = 33 + 73 + 03 = 370
371 = 33 + 73 + 13 = 371
407 = 43 + 03 + 73 = 407




Number of Magic











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