A Merchant Number is usually between 6 and 15 digits long. Examples: Natwest Streamline Merchant Number = 8 digits HSBC Merchant Number = 8 digits Lloyds TSB Cardnet Merchant Number = 15 digits Bank of Scotland Merchant Number = 15 digits Barclays Merchant Services Merchant Number = 7 digits American Express Merchant Number = 10 digits Diners Club Merchant Number = 10 digits JCB (Japan Credit Bureau) Merchant Number = 13 digits Elavon Merchant Number = 10 digits AIB (Allied Irish Bank) Merchant Number = 11 digits Ulster Bank (For Ireland Vendors only) Merchant Number = 8 digits Chase Payment Tech Merchant Number = 6 digits
Amex card has 15 digits.
15
9
555
100,000,000,000,000,
The maximum number of significant digits in value belonging to the double type is 15. The maximum number of significant digits is called the precision.
15 digits (the first four digits is the branch code)
A Merchant Number is usually between 6 and 15 digits long. Examples: Natwest Streamline Merchant Number = 8 digits HSBC Merchant Number = 8 digits Lloyds TSB Cardnet Merchant Number = 15 digits Bank of Scotland Merchant Number = 15 digits Barclays Merchant Services Merchant Number = 7 digits American Express Merchant Number = 10 digits Diners Club Merchant Number = 10 digits JCB (Japan Credit Bureau) Merchant Number = 13 digits Elavon Merchant Number = 10 digits AIB (Allied Irish Bank) Merchant Number = 11 digits Ulster Bank (For Ireland Vendors only) Merchant Number = 8 digits Chase Payment Tech Merchant Number = 6 digits
15
Amex card has 15 digits.
15
15
555
9
555
225 = (15)2 2*2*5=20 3 digits in 225