The number eleven is the sixth prime number.
The base numeric number system lends itself to some interesting peculiarities as relates to the number eleven.
Base 10 for example:
(2 digits) 11 x 11 = 121
(6 digits) 111111 x 111111 = 12345654321
(9 digits) 111111111 x 111111111 = 12345678987654321
Base 16 (hexadecimal) for example:
(2 digits) 11 x 11 = 121
(6 digits) 111111 x 111111 = 12345654321
(9 digits) 111111111 x 111111111 = 12345678987654321
Doors of opportunity don't just open , they have to be unlocked & it's up to you to turn the knob.