**1903**= 11 x 73.

**1903**is the smallest number whose cube is zeroless pandigital:

**1903**

^{3}= 6891541327.

In base 5,

**1903**is the palindrome 30103.

**1903**is a number that cannot be written as a sum of three squares.

On Dec. 17,

**1903**, Orville Wright flew an aircraft with a gasoline engine at Kitty Hawk, N.C., in the first documented, successful, controlled, powered, heavier-than-air flight.

Source: Number Gossip