Only for those who are interested in Maths smile emoticon
The number 381654729 is a special number because:
The first two digits (from the left) form a number that is divisible by 2;
The first three digits (from the left) form a number that is divisible by 3;
The first four digits (from the left) form a number that is divisible by 4;
The first five digits (from the left) form a number that is divisible by 5;
The first six digits (from the left) form a number that is divisible by 6;
The first seven digits (from the left) form a number that is divisible by 7;
The first eight digits (from the left) form a number that is divisible by 8;
The first nine digits (from the left) form a number that is divisible by 9;
It contains all the digits from 1 to 9 exactly once.
The first three digits (from the left) form a number that is divisible by 3;
The first four digits (from the left) form a number that is divisible by 4;
The first five digits (from the left) form a number that is divisible by 5;
The first six digits (from the left) form a number that is divisible by 6;
The first seven digits (from the left) form a number that is divisible by 7;
The first eight digits (from the left) form a number that is divisible by 8;
The first nine digits (from the left) form a number that is divisible by 9;
It contains all the digits from 1 to 9 exactly once.
Is the number 381654729 a wonderful number?
Comments
Post a Comment