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.
So, how many numbers are on a credit card? Credit card number is the most important part of the information printed on credit card. Usually the number is 16 digits. The first digit indicates the type of card. For example, digit 3 is American Express, number 4 is VISA and 5 is MasterCard. This is also one of the first lines of defense against fraud - if in the randomly generated card number the first figure does not match the type of card, it will signal that the card is a fake.