Convert base-21 to base-11

How to Convert base-21 to base-11

To convert base-21 to base-11 , the formula is used,

```html

Value_in_base11 = Σ (Digit * 21^{- Position}) * 11^{Position}

``` This HTML `

` element follows MathML rules. 

The formula is a typical base conversion formula - each digit of the number is multiplied by the base of the number raised to the power of its position in the number (in reverse order - the rightmost digit has a position of 0 and the position increases by 1 as you more to the left), then it multiplies the base to convert the value to, raised to the power of the current position. 

Note: `Σ` represents the sum of all the products for each digit and its position. `Value_in_base11` is where the final result, the value converted to base 11, goes.

where the base-21 to base-11 value is substituted to get the answer from Numbers Converter.

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