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.
American Express is the most commonly held credit card that doesn't have a 16-digit number on the front. American Express card numbers have only 15 digits. Cards issued by Diners Club International also do not have 16 numbers. Diners Club cards are issued with 14 numbers on the front. However, some Diners Club cards issued in the U.S. that bear the MasterCard symbol now have 16 digits.