Skip to content

Instantly share code, notes, and snippets.

@econchick
Last active June 29, 2022 17:11
Show Gist options
  • Save econchick/4666389 to your computer and use it in GitHub Desktop.
Save econchick/4666389 to your computer and use it in GitHub Desktop.
Convert decimal/base 10 numbers to hexidecimal/base 16
def hex2dec(dec_number):
mapping = {
10 : "A",
11 : "B",
12 : "C",
13 : "D",
14 : "E",
15 : "F"
}
remainders = []
Q = dec_number
while Q > 0:
Q = dec_number / 16
R = (dec_number % 16)
if R > 9:
remainders.append(mapping[R])
else:
remainders.append(R)
dec_number = Q
remainders = remainders[::-1]
hex = "0x"
for item in remainders:
hex.join(item)
return hex
hex2dec(954)
iteration 1: Q = 59, R = 10, A
remainders = ["A"]
dec_number = 59
iteration 2: 59/16 = 3, R = 11, B
remainders = ["A", "B"]
dec_number = 3
iteration 3: 3/16 = 0, R = 3, 3
remainers = ["A","B",3]
hex = 3BA
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment