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.
The card number itself comes from ISO 7812 standards. 4 and 5 on a magnetic strip identifies the card as banking and financial and 6 will identify the strip as merchandizing and banking. And three is actually travel and entertainment. MasterCard. MasterCard will usually begin with 51-55 with 16 digits. Visa.