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Convert 132 from decimal to binary

(base 2) notation:

Power Test

Raise our base of 2 to a power

Start at 0 and increasing by 1 until it is >= 132

20 = 1

21 = 2

22 = 4

23 = 8

24 = 16

25 = 32

26 = 64

27 = 128

28 = 256 <--- Stop: This is greater than 132

Since 256 is greater than 132, we use 1 power less as our starting point which equals 7

Build binary notation

Work backwards from a power of 7

We start with a total sum of 0:


27 = 128

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 128 = 128

Add our new value to our running total, we get:
0 + 128 = 128

This is <= 132, so we assign our outside coefficient of 1 for this digit.

Our new sum becomes 128

Our binary notation is now equal to 1


26 = 64

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 64 = 64

Add our new value to our running total, we get:
128 + 64 = 192

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 128

Our binary notation is now equal to 10


25 = 32

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 32 = 32

Add our new value to our running total, we get:
128 + 32 = 160

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 128

Our binary notation is now equal to 100


24 = 16

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 16 = 16

Add our new value to our running total, we get:
128 + 16 = 144

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 128

Our binary notation is now equal to 1000


23 = 8

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 8 = 8

Add our new value to our running total, we get:
128 + 8 = 136

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 128

Our binary notation is now equal to 10000


22 = 4

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 4 = 4

Add our new value to our running total, we get:
128 + 4 = 132

This = 132, so we assign our outside coefficient of 1 for this digit.

Our new sum becomes 132

Our binary notation is now equal to 100001


21 = 2

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 2 = 2

Add our new value to our running total, we get:
132 + 2 = 134

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 132

Our binary notation is now equal to 1000010


20 = 1

The highest coefficient less than 1 we can multiply this by to stay under 132 is 1

Multiplying this coefficient by our original value, we get: 1 * 1 = 1

Add our new value to our running total, we get:
132 + 1 = 133

This is > 132, so we assign a 0 for this digit.

Our total sum remains the same at 132

Our binary notation is now equal to 10000100


Final Answer


We are done. 132 converted from decimal to binary notation equals 100001002.