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 first 6 digits of the number of credit cards (with the MII digit) build the issuer identifier that denotes the card network and the number to which it belongs. The well-known identifiers include: 1  37xxxx and 34xxxx for American Express. 2  4xxxxx for Visa. 3  51xxxx-55xxxx for MasterCard. 4  6011xx for Discover.