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.
Match the first few digits of the credit card number to one of the major credit card issuers if possible. Discover cards begin with 6011 or 65. MasterCards begin with a number from 51 to 55. American Express cards begin with 34 or 37. JCB cards begin with 2131, 1800 or 35. Visa cards all begin with 4.