What is Log Base 6 of 7776?

The below is the work with steps to find what is log base 6 of 7776 shows how the input values are being used in the log base 6 functions. Formula:
log_b(x) = y, if b^y = x

Input:
x = 7776
b = 6

Solution:
y = log₆ 7776
= log₆ 6⁵
= 5 log₆ 6 = 5 x 1
log₆ 7776 = 5
log₆(7776) = 5