Showing posts with label Taxicab number. Show all posts
Showing posts with label Taxicab number. Show all posts

Wednesday, July 13, 2016

Roger Bowley and James Grime: 1729 and Taxi Cabs: Hardy-Ramanujan Number (ハーディ=ラマヌジャン数)



  • Srinivasa Ramanujan (シュリニヴァーサ・ラマヌジャン)
  • G. H. Hardy (ゴッドフレイ・ハロルド・ハーディ)
  • Taxicab number (タクシー数)
  • Cube (立方数)
  • T(n)
  • n distinct ways (n通り)
T(2):

T(2) = 1729 = 12^3 + 1^3
or
= 9^3 + 10^3