Posted By: CanukDenis
Don't you be no square... - 08/16/13 06:25 PM
1871121171 is a 10digit number where
all consecutive 3digit numbers have
a sum-of-digits that is a square:
1+8+7 = 16
8+7+1 = 16
7+1+1 = 9
1+1+2 = 4
....and so on to:
1+7+1 = 9
What is the highest such 10digit number?
Easier than it appears to be!
all consecutive 3digit numbers have
a sum-of-digits that is a square:
1+8+7 = 16
8+7+1 = 16
7+1+1 = 9
1+1+2 = 4
....and so on to:
1+7+1 = 9
What is the highest such 10digit number?
Easier than it appears to be!