1001101001001

1001101001001 is a binary numeral consisting of 13 digits. Interpreted as a base-2 number, it represents the integer 4937 in decimal, and 0x1349 in hexadecimal. As a 13-bit value, it can encode any integer from 0 to 8191. The string starts and ends with 1 and has a total of six 1-bits (a Hamming weight of 6).

Conversion example: reading left to right, start at 0; after each bit update val = val*2 + bit, giving the sequence 1, 2, 4, 9, 19, 38, 77, 154, 308, 617, 1234, 2468, 4937.

In general, binary strings like 1001101001001 are used to represent data in computers, memory addresses, or communication protocols. The particular pattern has no widely recognized meaning beyond its numeric value; it is simply a 13-bit binary constant.

See also: the binary numeral system.