Base 12 to base 21 conversion

Base 12 to base 21 converter lets you convert number system between base 12 to base 21 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 12 to base 21?

1
1 base 12 = 1 base 21

Calculation steps

To convert 1 in base 12 to base 21, take the following steps.

  1. Convert 1 from base 12 to base 10.
  2. Convert result of the previous step from base 10 to base 21.

Step 1: convert 1 from base 12 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 12nCumulative sum
011 x 1201

From the table above, it can be written as a conversion formula as:
(1 × 120)

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

Step 2: convert from base 10 to base 21

Conversion from base 10 to base 21 can be done by dividing the number by 21 until the quotient is zero. The steps can be shown in the following table.

#Number divides 21QuotientRemaining
11 divides 2101

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 12 can to converted to base 21 as 1.

Base 12 to base 21 conversions table

Here is a conversions table comparing the relationship between base 12 and base 21 by using 1 - 100 in base 10 as starting numbers.

Base 12Base 21
11
22
33
44
55
66
77
88
99
AA
BB
10C
11D
12E
13F
14G
15H
16I
17J
18K
1910
1A11
1B12
2013
2114
2215
2316
2417
2518
2619
271A
281B
291C
2A1D
2B1E
301F
311G
321H
331I
341J
351K
3620
3721
3822
3923
3A24
3B25
4026
4127
4228
4329
442A
452B
462C
472D
482E
492F
4A2G
4B2H
502I
512J
522K
5330
5431
5532
5633
5734
5835
5936
5A37
5B38
6039
613A
623B
633C
643D
653E
663F
673G
683H
693I
6A3J
6B3K
7040
7141
7242
7343
7444
7545
7646
7747
7848
7949
7A4A
7B4B
804C
814D
824E
834F
844G

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