Number 1220 - properties and curiosities

1220 (number)

1220

Number 1220 properties

  • Harshad
  • 1220 is an even number.
  • 1220 is a Harshad number, which means it is divisible by the sum of its digits (1220 = 5, and 1220 is divisible by 5).

Prime factorization

Prime factorization of 1220: 2^2 × 5 × 61.

Divisors

Divisor count: 12

1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220

Factors of 1220 are: 1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220.

Representations

In octal, 1220 is represented as 2304.

In binary, 1220 is represented as 10011000100.

In hex, 1220 is represented as 4C4.

Roman numeral: MCCXX

Curiosities

  • 1220 is divisible by the sum of its digits.

Quick answers

Is 1220 prime?
No, 1220 is not prime.

What are the factors of 1220?
1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220

What is 1220 in binary?
10011000100