To convert the number 27 from base 10 to base 3, we need to divide 27 by 3 repeatedly until the quotient becomes zero. The remainders of each division, read from bottom to top, will be the digits of the number in base 3.
27 divided by 3 is 9 with a remainder of 0.
9 divided by 3 is 3 with a remainder of 0.
3 divided by 3 is 1 with a remainder of 0.
1 divided by 3 is 0 with a remainder of 1.
Therefore, the number 27 in base 3 is 1000.