13855

13855 is a natural number that comes after 13854 and before 13856. It is odd and composite.

Its prime factorization is 13855 = 5 × 17 × 163. Because it is the product of three distinct primes, 13855 is a squarefree number and a sphenic number. It has eight positive divisors: 1, 5, 17, 85, 163, 815, 2771, and 13855. Its Euler totient is phi(13855) = 10368.

In different representations, 13855 is 0x361F in hexadecimal and 11011000011111 in binary. The decimal digits sum to 22, and the number is divisible by 5 (as indicated by its last digit). It is not expressible as a sum of two squares, because it contains the prime 163, which is congruent to 3 modulo 4, to the first power.

Additional notes: as a product of three distinct primes, 13855 is a classic example of a squarefree, composite number. Its divisors reveal the structure of its factorization, and its representations across bases illustrate common numeral-form properties.