Tuesday 18 September 2012

DAY 404

What is unusual about the following sequence of numbers?

1, 4, 9, 6, 1, 5, 10, 4, 2

HINT:
It has to do with Roman Numerals.

Answer:

Written in Roman Numerals, these numbers form a palindrome. That is, they read the same in both directions.

I IV IX VI I V X IV II