Base 21 to base 8 conversion

Base 21 to base 8 converter lets you convert number system between base 21 to base 8 and will give you the result with calculation steps and it also supports decimal numbers. Enter your number and choose bases below to start a conversion.

Result

How to convert 1 in base 21 to base 8?

1
1 base 21 = 1 base 8

Calculation steps

To convert 1 in base 21 to base 8, take the following steps.

  1. Convert 1 from base 21 to base 10.
  2. Convert result of the previous step from base 10 to base 8.

Step 1: convert 1 from base 21 to base 10

To start the calculation, let d is the number in each digit and n is the exponent of the number in that digit. Therefore, the steps can be shown in the following table.

Exponent (n)Digit (d)d x 21nCumulative sum
011 x 2101

From the table above, it can be written as a conversion formula as:
(1 × 210)

Then calculate the sum of all the cumulative sums we get:
1 = 1

Step 2: convert from base 10 to base 8

Conversion from base 10 to base 8 can be done by dividing the number by 8 until the quotient is zero. The steps can be shown in the following table.

#Number divides 8QuotientRemaining
11 divides 801

When the division is complete, connect all the remainders of the division. Starting from the bottom of the table we get 1.

Therefore, 1 in base 21 can to converted to base 8 as 1.

Base 21 to base 8 conversions table

Here is a conversions table comparing the relationship between base 21 and base 8 by using 1 - 100 in base 10 as starting numbers.

Base 21Base 8
11
22
33
44
55
66
77
810
911
A12
B13
C14
D15
E16
F17
G20
H21
I22
J23
K24
1025
1126
1227
1330
1431
1532
1633
1734
1835
1936
1A37
1B40
1C41
1D42
1E43
1F44
1G45
1H46
1I47
1J50
1K51
2052
2153
2254
2355
2456
2557
2660
2761
2862
2963
2A64
2B65
2C66
2D67
2E70
2F71
2G72
2H73
2I74
2J75
2K76
3077
31100
32101
33102
34103
35104
36105
37106
38107
39110
3A111
3B112
3C113
3D114
3E115
3F116
3G117
3H120
3I121
3J122
3K123
40124
41125
42126
43127
44130
45131
46132
47133
48134
49135
4A136
4B137
4C140
4D141
4E142
4F143
4G144

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