They are not. The red numbers on the back of a social security card are control numbers that verify the authenticity of the card. They serve no other purpose.
If you're asking whether paying social security tax is mandatory, the answer for most people is yes.
The Social Security Administration issues Social Security numbers.
Since social security numbers have numeric values, a social security number is an example of a qualitative variable.
200000000
people can do almost ANYTHING if they have your social security number
Visit Social Security Online for an explanation of how numbers are assigned and other SS regulations and methods of operation. Social Security Online, http://www.ssa.gov
No. The SSA does not issue social security numbers that begin with 9. Taxpayer identification numbers are not social security numbers, but you can use them to get a drivers' license, open a bank account, etc.
Usually social security numbers are formatted as text, instead of numbers.
No. Social Security numbers have nine digits.
Social Security numbers are quantitative and not qualitative. This is due to the fact that they are numerical in nature.
California
my @$$