The Mudcat Café TM
Thread #113342   Message #2408549
Posted By: John on the Sunset Coast
08-Aug-08 - 01:14 PM
Thread Name: BS: 08/08/08
Subject: RE: BS: 08/08/08
The digits of every of every whole number which a multiple of nine can be reduced to nine:

2142 > 2+1+4+2 = 9

92097 > 9+2+0+9+7 = 27 > 2+7 = 9

58841001 > 5+8+8+4+1+0+0+1 = 27 > 2+7 = 9