92

92 is the natural number that follows 91 and precedes 93. In the decimal system it is even and composite, with prime factorization 2^2 × 23. Its divisors are 1, 2, 4, 23, 46, and 92. The sum of its proper divisors is 76, so 92 is a deficient number. In other base systems, 92 is written as 1011100 in binary, 134 in octal, and 5C in hexadecimal; in Roman numerals it is XCII.

In mathematics, 92 is not a prime, a square, or a Fibonacci number. It is the product of a square and a prime (4 × 23).

In science, atomic number 92 identifies uranium, a dense radioactive metal used as fuel in nuclear reactors and, when highly enriched, in weapons. Natural uranium consists mainly of U-238 with about 0.72% U-235 and trace U-234. Its isotopes have long half-lives, with U-238 about 4.47 billion years and U-235 about 703 million years. Uranium's handling requires strict safety and regulatory controls.

In timekeeping and coding, the 92nd day of the year is April 2 in common years and April 1 in leap years. The international calling code +92 is assigned to Pakistan. In ASCII and Unicode, the decimal value 92 corresponds to the backslash character (U+005C).