5728

5728 is a natural number that follows 5727 and precedes 5729. It is even and composite.

Its prime factorization is 2^5 × 179, so its positive divisors are 1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, and 5728. Consequently, 5728 has 12 divisors. The number is not prime, not a square, and it is not a Fibonacci or triangular number.

In representations, 5728 is written in binary as 1011001100000, in octal as 013140, and in hexadecimal as 0x1660.

In calendar contexts, 5728 in the Hebrew calendar corresponds roughly to the years 1967–1968 CE, spanning autumn 1967 to autumn 1968.

As a numeric label, 5728 is primarily of interest in number theory and basic arithmetic contexts. It does not have a widely recognized designation in standard encyclopedic topics beyond its mathematical properties and its use as a calendar year reference in non-Gregorian systems.