Octal 121 to Binary Conversion

What is 121 octal in binary? - converter, chart and step-by-step solution using the most easiest method for how to convert the '.octal.' '.121.' to its '.binary.' equivalent. The base-8 value of 121₈ is equal to base-2 value of 1010001₂
In different representation
121₈ = 1010001₂
0o121 = 0b1010001

Octal	Binary	Decimal
117.4	1001111.1	79.5
120	1010000	80
120.4	1010000.1	80.5
121	1010001	81
121.4	1010001.1	81.5
122	1010010	82

The below is the example problem with step-by-step solution using the easiest method to find what is 121 octal in binary.
121 Octal to Binary Conversion:
step 1 Write each digit of given octal number 121₈ into its equivalent binary containing 3 digits each.
1 = 0012 = 0101 = 001

step 2 Arrange the binary numbers group in the same order
121₈ = 1010001₂