February 16, 2016
Problem of the Week
for Tuesday, February 16, 2016
Find the only number composed of nine different non-zero digits with the following property: the first digit on the left is divisible by one, the two-digit number on the left is divisible by two, the three-digit number on the left is divisible by three, etc. all the way up to divisibility of the nine-digit number by nine. We give you the first four digits of the number: 3816. It is your challenge to find the correct sequence for the remaining five non-zero digits.