The magic of number 9

The number 9 plays a significant role in many of our lives. 9 is considered lucky by many people who believe in numerology. But, there is a magic that 9 has. The sum of 9s will be a 9. For instance consider 99. Add 9 and 9 which is 18 and again add 1 and 8, the result is 9. No matter how many 9 are taken, the sum of all those 9s will be a 9. 9 is the only number which has this significance.