Hexadecimal Representations

The hexadecimal representation of 1000 (in decimal notation) is 3e8. There is a difference of 1 between the number of digits in the decimal representation of 1000 and the number of digits in the hexadecimal representation of 1000. Find the difference in size between the decimal and hexadecimal representation of 10000000000000000000 (in decimal notation).

Remember, to solve this puzzle and appear on the leaderboard, email both your solution and your source code (in any language) to lewiscornwall13@gmail.com. Good luck!!

View all puzzles »