How do I convert the decimal number 85 to a hexadecimal number?

Answer 1

I think I remember this procedure for the conversion:

Divide 85 by 16. Result: 5 remainder 5.

Answer: 55 hex.

Answer 2

This is a little diferent than your last question. Convert the decimal number to binary, then convert to Hexadecimal by grouping.

Explanation:

For me the easiest way is to create cells horizontally across a paper. place the decimal equivalent of the 2^n within each cell

l 1 l 2 l 4 l 8 l 16 l 32 l 64 l

place a "1" under the greatest number in the series that is less than or equal to the number for which you are solving. In this case "1" would be placed under the l 64 l.

l 1 l 2 l 4 l 8 l 16 l 32 l 64 l
1

Subtract 85 - 64 = 21
Take 21 using the same process place a "1" under the l 16 l.
32 is too large

l 1 l 2 l 4 l 8 l 16 l 32 l 64 l
1 1

Subtract 21-16 = 5

Place a "1" under the l 4 l.

l 1 l 2 l 4 l 8 l 16 l 32 l 64 l
1 1 1

Subtract 5 - 4 = 1

Place a "1" under l 1 l

l 1 l 2 l 4 l 8 l 16 l 32 l 64 l
1 1 1 1

The addition of 1+ 4 + 16 + 64 = 85.


Place "0" under the cells without "1" the result is the binary number.

1 l 2 l 4 l 8 l 16 l 32 l 64 l
1 0 1 0 1 0 1

Now the binary 1 0 1 0 1 0 1 = 85 decimal

Group the binary starting from the right by fours.

1 0 1 - 0 1 0 1 which is good as 0101-0101 binary

Make cells for the groups of four. Place the hex equivalents under the binary groupings of numbers.

0101-0101
5 5

85 decimal = 01010101 binary = 55 hex

*Brain Tools:
1. memorize the binary numbers from 0000 to 1111
2. memorize the hex numbers from 0 - F
3. memorize binary progression pattern of 2^n
4. memorize this process it is reversible and can hanlde any
number for binary hex or decimal conversion.
5. the same process can be done for octal numbers except the groupings must be by threes instead of fours
1010101 = 101 0101 = 001- 010 -101
1 2 5

= 125 octal = 85 decimal = 55 hex = 1010101 binary


6. Odd numbers in binary are odd in hex, octal,& decimal.
Even numbers in binary are even in hex, octal,& decimal.

Answer 3

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RE:
How do I convert the decimal number 85 to a hexadecimal number?

Answer 4

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Answer 5

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today they are many software ways to do that.but the process by hand is interesting.you have to change the decimal number to binary first.i hope you know it (by diving it to 2 untill the remainder is 1 or 0).then you have to change the binary into hexadecimal(its again easy i can explain it if you want you have to seprate them four by four and change to hexadecimal)

Answer 6

It's hex 55. See the procedure at http://pages.cpsc.ucalgary.ca/~awilliam/203/decimal_to__hexadecimal_conversi.htm.

Answer 7

Same as last question. Do reverse.

Answer 8

This may help:
http://ascii.cl/conversion.htm