1 in Decimal
Binary 1 equals 1 in decimal.
1 in all number bases
Decimal1
Hexadecimal0x1
Binary0001
Octal1
How 1 converts from binary to decimal
Multiply each digit by 2 raised to its position (starting at 0 from the right), then add the results:
1× 20 = 1 × 1 = 1
Sum: 1