Number reference
92 explained.
92: ninety-two, composite; factors, prime factorization, roots, binary, hexadecimal, and digit properties.
Identity and representations
- Written form
- ninety-two
- Classification
- composite
- Factors
- 1, 2, 4, 23, 46, 92
- Prime factorization
- 2 × 2 × 23
- Square root
- 9.591663
- Cube root
- 4.514357
- Binary
- 1011100
- Octal
- 134
- Hexadecimal
- 5C
- Roman numeral
- XCII
- Digit sum
- 11
- Digital root
- 2
What makes 92 notable
- Factor structure. 92 breaks down into 2 distinct primes (2, 23) and has 6 divisors in total, so it can be split into equal whole-number groups 4 ways beyond 1 and itself.
92 in everyday use
Ninety-two is the atomic number of uranium, the heaviest element found in nature in significant quantities and the fuel of nuclear power. It was named in 1789 after the planet Uranus, discovered eight years earlier. In geometry, 92 is the count of Johnson solids, the convex polyhedra with regular faces that are neither Platonic, Archimedean, prisms, nor antiprisms; the list was completed in 1969.
Ninety-two is 2² × 23 and a pentagonal number, following 70. It is the number of solutions to the eight queens puzzle — the ways to place eight queens on a chessboard so that none attacks another — of which 12 are distinct up to rotation and reflection. It has six divisors, and in binary it is 1011100.
Nearby numbers
How to read this page
The factor list shows every way 92 splits into equal whole-number groups — 6 divisors in total. The prime factorisation is the compact form of that same information, and the base conversions restate 92 for contexts that do not use decimal.
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