5143

5143 is a natural number that comes after 5142 and before 5144. It is an odd, composite number and has mathematical significance as a semiprime.

The prime factorization of 5143 is 37 × 139, meaning it has exactly two prime factors counting multiplicity. It is not divisible by 2, 3, or 5. The sum of its digits is 13, giving a digital root of 4. Its value in common bases includes binary 1010000010111, hexadecimal 0x1417, and octal 12027.

In written form, 5143 is spoken as “five thousand one hundred forty-three” in American usage, while in some British contexts it may be rendered as “five thousand, one hundred and forty-three.”

If used as a year designation, 5143 would be a year in the distant future. In cataloging and numbering systems, 5143 may appear as an identifier or code, but it does not confer any widely recognized significance beyond its mathematical properties as a semiprime.