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.
Master Card always had 16, Visa has 16 now, but a few banks issued them in 13 prior to 2000 (Y2K), Discover 16, and Amex has 15. Visa and MasterCard both use sixteen numbers. Visa and Master cards have 16. The prefix identifies the bank or credit card company that issues.