Number 1680 - properties and curiosities

1680 (number)

1680

Number 1680 properties

  • Harshad
  • 1680 is an even number.
  • 1680 is a Harshad number, which means it is divisible by the sum of its digits (1680 = 15, and 1680 is divisible by 15).

Prime factorization

Prime factorization of 1680: 2^4 × 3 × 5 × 7.

Divisors

Divisor count: 40

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680

Factors of 1680 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120.

Representations

In octal, 1680 is represented as 3220.

In binary, 1680 is represented as 11010010000.

In hex, 1680 is represented as 690.

Roman numeral: MDCLXXX

Curiosities

  • 1680 is divisible by the sum of its digits.

Quick answers

Is 1680 prime?
No, 1680 is not prime.

What are the factors of 1680?
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120

What is 1680 in binary?
11010010000