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.
Mastercard credit card number length: 16 digits (normally). The first credit card number will always be 3, 4, 5 or 6 and it is known as the Major Industry Identifier (MII), this number represents the entity which issued your card.