3445

3445 is a natural number that follows 3444 and precedes 3446. In mathematics, it is a composite number with prime factorization 5 × 13 × 53.

Because it is the product of three distinct primes, 3445 is square-free and has eight divisors: 1, 5, 13, 53, 65, 265, 689, and 3445. It is odd and ends in 5, so it is divisible by 5. Its digits sum to 16, so it is not divisible by 3.

Representations in common bases include the Roman numeral MMMCDXLV for 3445, the binary number 110101110101, and the hexadecimal value 0xD75.

As a number, 3445 does not correspond to a widely known constant and does not denote a notable year in the Gregorian calendar. It serves as an example of a square-free, three-prime product and is often used to illustrate factorization and base conversion in introductory number theory.