Base 21 to base 2 conversion

Base 21 to base 2 converter lets you convert number system between base 21 to base 2 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 2?

1
1 base 21 = 1 base 2

Calculation steps

To convert 1 in base 21 to base 2, 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 2.

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 2

Conversion from base 10 to base 2 can be done by dividing the number by 2 until the quotient is zero. The steps can be shown in the following table.

#Number divides 2QuotientRemaining
11 divides 201

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 2 as 1.

Base 21 to base 2 conversions table

Here is a conversions table comparing the relationship between base 21 and base 2 by using 1 - 100 in base 10 as starting numbers.

Base 21Base 2
11
210
311
4100
5101
6110
7111
81000
91001
A1010
B1011
C1100
D1101
E1110
F1111
G10000
H10001
I10010
J10011
K10100
1010101
1110110
1210111
1311000
1411001
1511010
1611011
1711100
1811101
1911110
1A11111
1B100000
1C100001
1D100010
1E100011
1F100100
1G100101
1H100110
1I100111
1J101000
1K101001
20101010
21101011
22101100
23101101
24101110
25101111
26110000
27110001
28110010
29110011
2A110100
2B110101
2C110110
2D110111
2E111000
2F111001
2G111010
2H111011
2I111100
2J111101
2K111110
30111111
311000000
321000001
331000010
341000011
351000100
361000101
371000110
381000111
391001000
3A1001001
3B1001010
3C1001011
3D1001100
3E1001101
3F1001110
3G1001111
3H1010000
3I1010001
3J1010010
3K1010011
401010100
411010101
421010110
431010111
441011000
451011001
461011010
471011011
481011100
491011101
4A1011110
4B1011111
4C1100000
4D1100001
4E1100010
4F1100011
4G1100100

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