>>11381025look at the pattern
>>11380993here, i'll make it clearer
exponent 0 | num 1 | last digit 1
exponent 1 | num 3 | last digit 3
exponent 2 | num 9 | last digit 9
exponent 3 | num 27 | last digit 7
exponent 4 | num 81 | last digit 1
exponent 5 | num 243 | last digit 3
exponent 6 | num 729 | last digit 9
exponent 7 | num 2187 | last digit 7
exponent 8 | num 6561 | last digit 1
exponent 9 | num 19683 | last digit 3
exponent 10 | num 59049 | last digit 9
exponent 11 | num 177147 | last digit 7
exponent 12 | num 531441 | last digit 1
exponent 13 | num 1594323 | last digit 3
exponent 14 | num 4782969 | last digit 9
exponent 15 | num 14348907 | last digit 7
exponent 16 | num 43046721 | last digit 1
exponent 17 | num 129140163 | last digit 3
exponent 18 | num 387420489 | last digit 9
exponent 19 | num 1162261467 | last digit 7
exponent 20 | num 3486784401 | last digit 1
exponent 21 | num 10460353203 | last digit 3
exponent 22 | num 31381059609 | last digit 9
exponent 23 | num 94143178827 | last digit 7
exponent 24 | num 282429536481 | last digit 1
