exists and is an alternate of . 1 microgram is 0.000001 gram or 1 gram is 1000000 micrograms. Scroll down to related links and look at Weight and mass conversion.
Report Abuse. The major Credit cards (Visa Mastercard) almost always have 16 digits. The number will be less than 16 if the card is from a department store or gas station. CupCake Â· 8 years ago.
Discover/Visa/MasterCard: On the back of the card, you should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is your CID. American Express: There is a 4-digit code printed on the front of your card just above and to the right of your main credit card number.