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.
Max Number of Amex Cards. Keep in mind that the maximum number of American Express credit cards is FOUR (4). If you already have four (4) active Amex credit cards, you will NOT get approved for a 5th. This limitation only applies for credit cards (personal and business cards combined) and NOT charge cards.