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 numbers. For MasterCard cards, the number is also 16 digits long. The first digit is always a 5 and the second digit is always between 1-5. The 2nd-3rd, 2nd-4th, 2nd-5th, or 2nd-6th digits correspond to the bank number, and the remaining digits up through the 15th are the account number.or starters, the first digit in the number indicates what type of card youâre dealing with. This number is always a 3, 4, 5, or 6, and can be interpreted as follows: 3 = Travel or entertainment card (e.g., Amex or Dinerâs Club). 4 = Visa Card.