7213

7213 is the natural number that follows 7212 and precedes 7214. It is also used as a numeric label in various cataloging systems.

In mathematics, 7213 is a prime number. It is odd, and its digits sum to 13, giving a digital root of 4. Because it is prime, its only positive divisors are 1 and 7213, and it has no nontrivial factorization. It is not a palindrome in decimal representation.

Representations in common bases include: binary 1110000101101, octal 16055, and hexadecimal 1C2D.

In addition to pure math, the number may appear as an identifier in systems such as product codes, book catalog numbers, or geographic or administrative codes, reflecting its use as a four-digit identifier in some contexts.

No widely recognized historical or scientific significance is attributed to 7213 beyond its mathematical properties.