A9 in Decimal
Hexadecimal A9 equals 169 in decimal.
A9 in all number bases
Decimal169
Hexadecimal0xA9
Binary1010 1001
Octal251
How a9 converts from hexadecimal to decimal
Multiply each digit by 16 raised to its position (starting at 0 from the right), then add the results:
A× 161 = 10 × 16 = 160
9× 160 = 9 × 1 = 9
Sum: 169