0x128ff
0x128ff is a hexadecimal number, which is a base-16 numeral system used in computing and digital electronics. In this system, the digits range from 0 to 9 and the letters A to F, where A represents 10, B represents 11, and so on up to F, which represents 15 in decimal. The prefix "0x" is commonly used in programming and digital contexts to denote a hexadecimal number.
The hexadecimal number 0x128ff can be converted to decimal by evaluating each digit's contribution to the total
(1 * 16^0) + (8 * 16^1) + (2 * 16^2) + (1 * 16^3) + (f * 16^4)
Where "f" represents 15 in decimal. Calculating this gives:
(1 * 1) + (8 * 16) + (2 * 256) + (1 * 4096) + (15 * 65536)
This equals 1 + 128 + 512 + 4096 + 983040, which sums to 987777 in decimal.
Hexadecimal is often used in computing because it provides a more human-friendly representation of binary-coded values.