The following paper money has serial numbers that have mathematical significance or are just plan interesting or unusual.
Obverse | Serial Number | Description |
---|---|---|
Binary | ||
Palindrome | ||
Repeated digits | ||
Low number | ||
All odd digits | ||
All even digits | ||
Lots of 8's, also all even | ||
Lots of 1's, also all odd | ||
Prime number | ||
Prime number | ||
The Euro uses a check digit serial number. The leading letter is converted to a number representing its place in the alphabet, a = 1, b = 2, etc. This number is added to the the next 11 digits and the remainder mod 9 should be 8. | ||
This error bill shows the change in the serial number with the last digit serving as a check digit. The eighth number goes up from 3 to 4, while at the same time the last digit goes down from 4 to 3. | ||
The Germany mark bill uses a check digit. | ||
The serial number on this bill is pi, or at least pi multiplied by 100,000 and truncated. |