LXXXIII

LXXXIII is the Roman numeral for the integer 83. It is formed by adding the values of its symbols: L (50) plus XXX (30) plus III (3), yielding 83. This construction uses additive notation, and while LXXXIII itself does not employ subtractive notation, nearby numbers such as 84 (LXXXIV) do.

In historical contexts, LXXXIII can appear in year designations, such as 83 CE or 83 BCE, and in other Roman-era numbering schemes that rely on Roman numerals for chapters, monuments, or regnal identifiers.

From a mathematical standpoint, 83 is a prime number, meaning it has no positive divisors other than 1 and itself. It is the 23rd prime number in the sequence of primes.

As a related factual note, the number 83 also corresponds to the atomic number of the element bismuth, with the chemical symbol Bi. This is a separate use of the same numeric value outside the Roman numeral system.