Base 18 to base 21 conversion

Base 18 to base 21 converter lets you convert number system between base 18 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 18 to base 21?

1
1 base 18 = 1 base 21

Calculation steps

To convert 1 in base 18 to base 21, take the following steps.

  1. Convert 1 from base 18 to base 10.
  2. Convert result of the previous step from base 10 to base 21.

Step 1: convert 1 from base 18 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 18nCumulative sum
011 x 1801

From the table above, it can be written as a conversion formula as:
(1 × 180)

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 18 can to converted to base 21 as 1.

Base 18 to base 21 conversions table

Here is a conversions table comparing the relationship between base 18 and base 21 by using 1 - 100 in base 10 as starting numbers.

Base 18Base 21
11
22
33
44
55
66
77
88
99
AA
BB
CC
DD
EE
FF
GG
HH
10I
11J
12K
1310
1411
1512
1613
1714
1815
1916
1A17
1B18
1C19
1D1A
1E1B
1F1C
1G1D
1H1E
201F
211G
221H
231I
241J
251K
2620
2721
2822
2923
2A24
2B25
2C26
2D27
2E28
2F29
2G2A
2H2B
302C
312D
322E
332F
342G
352H
362I
372J
382K
3930
3A31
3B32
3C33
3D34
3E35
3F36
3G37
3H38
4039
413A
423B
433C
443D
453E
463F
473G
483H
493I
4A3J
4B3K
4C40
4D41
4E42
4F43
4G44
4H45
5046
5147
5248
5349
544A
554B
564C
574D
584E
594F
5A4G

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