4005

+

+It is notably the 89th [triangular number](/wiki/Triangular Number), meaning it is the sum of the first 89 natural numbers (1 + 2 + ... + 89). Its prime factorization is 3² × 5 × 89, indicating it is a [composite number](/wiki/Composite Number). It is also notable for being close to the [prime number](/wiki/Prime Number) [4007](/wiki/4007).

+- [Prime Number](/wiki/Prime Number)

+It is notably the 89th [triangular number](/wiki/Triangular Number), meaning it is the sum of the first 89 natural numbers (1 + 2 + ... + 89). Its prime factorization is 3² × 5 × 89, indicating it is a [composite number](/wiki/Composite Number).

+- [Triangular Number](/wiki/Triangular Number)

+- [Prime Factor](/wiki/Prime Factor)

+- [Composite Number](/wiki/Composite Number)

+- [Integer](/wiki/integer)

+4005 is an [integer](/wiki/integer), a specific [number](/wiki/number) within the infinite sequence. It holds a unique position, often used as a count or a designation.

+## See also

+- [Sequence](/wiki/sequence)

+- [Code](/wiki/code)

+- [Value](/wiki/value)