3585
3585, written out as three thousand five hundred eighty-five, is a natural number that follows 3584 and precedes 3586. In mathematics, it is an odd composite number with prime factorization 3 × 5 × 239. It is divisible by 3 and by 5, and consequently by 15; the quotient 3585 ÷ 15 equals 239, a prime number. The digit sum is 21, so 3585 is not a Harshad number.
In different numeral systems, 3585 has concise representations: in binary it is 111000000001; in octal it is
3585 has no widely noted special properties beyond those typical of composite integers with small prime factors.