213215

213215 is a natural number that sits between 213214 and 213216. In mathematics, it is a composite number, as it is divisible by 5. Dividing by 5 yields 42,643, so 213,215 = 5 × 42,643. The cofactor 42,643 is itself prime, giving the prime factorization 213,215 = 5 × 42,643.

In hexadecimal notation, 213,215 is 0x340DF. In binary form, it corresponds to the 20-bit string 00110100000011011111.

Beyond pure arithmetic, 213,215 may be used as an identifying label in various systems, such as catalog numbers or serial prefixes. There is no widely noted mathematical constant or historical event specifically associated with this number.