rlz87tm45t的部落格

標題:

Happy Numbers

發問:

• i want ''forever feiends''(fiona fung)
• 如果我搭地鐵去美孚新村第1期31A號百老匯街平台33號舖...係邊個出口出同點行@1@
• tax file no, 05 and 22@1@

• i want ''forever feiends''(fiona fung)
• 如果我搭地鐵去美孚新村第1期31A號百老匯街平台33號舖...係邊個出口出同點行@1@
• tax file no, 05 and 22@1@

此文章來自奇摩知識+如有不便請留言告知

Add the squares of the digits a whole number to produce a number. If your repeat this procces and end up with 1 , you have a hppy number. eg 32=9+4=13=1+9+10=1+0=1 andi t has to be greater than 40

最佳解答:

44 = 16+16 = 32 = 9+4 = 13 = 1+9 = 10 = 1+0 = 1 2008-03-07 10:19:42 補充： 68=36+64=100=1+0+0=1 82=64+4=68=36++64=100=1+0+0=1 86=64+36=100=1+0+0=1 91=81+1=82=64+4=68=36++64=100=1+0+0=1 94=81+16=97=81+49=130=1+9+0=10=1+0=1 97=81+49==130=1+9+0=10=1+0=1 100=1+0+0=1 2008-03-07 10:21:39 補充： 49=16+81=97=81+49==130=1+9+0=10=1+0=1 70=49+0=49=16+81=97=81+49==130=1+9+0=10=1+0=1

其他解答:

These numbers are available from the mathworld and wiki website, not really interesting.