1011010

1011010 is a binary numeral composed of seven digits. In base-2 notation, it represents the decimal value 90, calculated as 2^6 + 2^4 + 2^3 + 2^1.

In ASCII, the seven-bit binary sequence 1011010 corresponds to the uppercase letter Z, which has the decimal code 90. In the more common eight-bit ASCII encoding, the same character is represented as 01011010.

Equivalent representations include hexadecimal and decimal forms: 90 in decimal and 0x5A in hexadecimal. As an eight-bit value, binary 01011010 is frequently used in data and character encoding, while 1011010 can be seen in contexts that require seven-bit data streams or historical ASCII implementations.

Applications and notes: 1011010 may appear in educational materials to illustrate binary-to-decimal conversion or as an example data value in signaling and communication protocols. The value 90 is even and composite (divisible by 2 and 3, among other factors), not a prime. The sequence is not a palindrome since its reverse, 0101101, equals 45 in decimal.