43000

43000 is the natural number that follows 42999 and precedes 43001. In mathematics, it is an even composite number with prime factorization 2^3 × 5^3 × 43, and it has 32 positive divisors. It can be expressed as 43000 = 43 × 1000 and is often written in scientific notation as 4.3 × 10^4.

In geography and postal geography, 43000 is used as a five-digit postal code in France. Specifically, 43000 is the postal code for Le Puy-en-Velay, a commune in the Haute-Loire department in south-central France. The first two digits of French postal codes denote the department, and 43 corresponds to Haute-Loire, with 43000 identifying a main postal area within that department.

Beyond mathematics and French postal use, 43000 may appear as a numeric identifier in various catalogs, models, or datasets, but it does not denote a widely recognized year or globally standardized code outside its numeric and postal contexts.