5140

5140 is a natural number that lies between 5139 and 5141. In mathematics, it is an even composite number with prime factorization 2^2 × 5 × 257. Its divisors are 1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, and 5140. The sum of its digits is 10, so 5140 is a Harshad (Niven) number in base 10. In base representations, 5140 is 1010000010100 in binary and 0x1414 in hexadecimal. The number is not prime, not a perfect power, and it is not a Fibonacci number.

Beyond pure mathematics, 5140 may appear as an identifier in various systems. Four-digit numbers like 5140 are commonly used in catalogs, part and model numbers, serial identifiers, postal or routing codes, and other designation schemes. Because it is a generic numeric label, its specific meaning depends on the context in which it is used.

In cultural or historical contexts, 5140 could be referenced as a year in speculative fiction or in hypothetical timelines, though it has no widely recognized significance in real-world history. Overall, 5140 is primarily notable for its mathematical properties, with its real-world meanings arising from the particular domain in which it is employed.