102

102 is the natural number that comes after 101 and before 103. In decimal notation it is written as 102. It is an even composite number, with prime factorization 2 × 3 × 17, and it has eight positive divisors: 1, 2, 3, 6, 17, 34, 51, and 102.

In numeral systems, 102 has representations such as binary 1100110, octal 146, and hexadecimal 66. In Roman numerals it is written as CII. The decimal value 102 also corresponds to the ASCII code for the lowercase letter 'f' (Unicode code point U+0066).

In science, 102 is the atomic number of nobelium (No), a synthetic radioactive element in the actinide series. Nobelium has no stable isotopes; the element is produced in particle accelerators and has various short-lived isotopes. The longest-lived known isotope, 259No, has a half-life of about an hour. Nobelium is named after the chemist and inventor Alfred Nobel, and its chemistry has been studied primarily in highly controlled laboratory conditions.

In computing and networking, the status code 102 Processing is used in the WebDAV extension of HTTP to indicate that the server has received the request and is continuing to process it. It is not a final response but an interim one used to prevent timeouts on long operations.