66399

66399 is a natural number that lies between 66398 and 66400. It is an odd five-digit integer.

In terms of arithmetic properties, 66399 is composite because it is divisible by 3; the sum of its digits is 33, which confirms divisibility by 3. The prime factorization is 66399 = 3 × 22133, and 22133 is prime, so the full factorization is 3 × 22133. It is not a perfect square or cube and does not have small square or cube factors.

In other representations, 66399 can be expressed as 10000001101011111 in binary and as 0x1035F in hexadecimal.

Contextually, 66399 is a member of the set of natural numbers and participates in standard numerical sequences. It does not correspond to a widely known constant or a commonly cited identifier in major mathematical contexts, beyond its basic divisibility and factorization properties.