គណិតវិទ្យា-ការចែកមរតក

A man has $1,000,000 he wishes to divide up in his will. He wants to give each person named in his will an amount of money, in dollars, which is a power of 7 ($70=$1, $71=$7, $72=$49, $73=$343, …). He does not want to give more than six people the same amount. How can he [...]