Multiplication of 9 with 6s
When 9 is multiplied by 6, it gives an interesting number 54 which is in a special pattern of numbers having only repeated 9s having 5 at the leftmost and 4 at the right most of 9s.
- 9 × 6= 54
- 9 × 66 = 594
- 9 × 666 = 5994
- 9 × 6666 = 59994
- 9 × 66666 = 599994
- 9 × 666666 = 5999994
- 9 × 6666666 = 59999994
- 9 × 66666666 = 599999994
- 9 × 666666666 = 5999999994
Multiplication of 9 with 111, 222, ...
Multiplying 9 with 111, 222, 333, 444 and so on gives a very interesting pattern which is equal to 4 digits number with first digit is in series of 1, 2, 3, 4, 5, 6, 7, 8 and the last digit is in series of 8, 7, 6, 5, 4, 3, 2, 1. The second and third digits are always 9.
- 9 × 111 = 999
- 9 × 222 = 1998
- 9 × 333 = 2997
- 9 × 444 = 3996
- 9 × 555 = 4995
- 9 × 666 = 5994
- 9 × 777 = 6993
- 9 × 888 = 7992
- 9 × 999 = 8991
