Conv function in S.Q.L

Question

When I entered this query in mysql
select conv(150 , 3 ,10);
it results 1
and when I entered
select conv(9999 , 2 , 10);
and it results 0
Why it happen Both are invalid

Answer 1

You should learn below about that paragraph 👇👇
The CONV() function converts a number from one numeric base system to another, and returns the result as a string value.

Syntax

CONV(number, from_base, to_base)

Parameter Values

ParameterDescriptionnumberRequired. A numberfrom_baseThe numeric base system of number (a number between 2 and 36)to_baseThe numeric base system to convert to (a number between 2 and 36 or -2 and -36)

Your number( 9999) will be in 2nd numeric system.It should be in 2 nd numeric system like as 1111.