127 in Binary
Decimal 127 equals 1111111 in binary.
Why this number matters: 127 is the largest positive value of a signed 8-bit integer (int8) and the loopback IP octet (127.0.0.1).
127 in all number bases
Decimal127
Hexadecimal0x7F
Binary0111 1111
Octal177
How 127 converts from decimal to binary
Divide by 2 repeatedly and keep each remainder, then read the remainders from bottom to top:
127÷ 2 =63remainder1
63÷ 2 =31remainder1
31÷ 2 =15remainder1
15÷ 2 =7remainder1
7÷ 2 =3remainder1
3÷ 2 =1remainder1
1÷ 2 =0remainder1
Result (remainders bottom to top): 1111111