280
Number 280 properties
- 280 is an even number.
- 280 is a Harshad number, which means it is divisible by the sum of its digits (280 = 10, and 280 is divisible by 10).
Number 280 - properties and curiosities
280 (number)
Prime factorization
Prime factorization of 280: 2^3 × 5 × 7.
Divisors
Divisor count: 16
1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
Factors of 280 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280.
Representations
In octal, 280 is represented as 430.
In binary, 280 is represented as 100011000.
In hex, 280 is represented as 118.
Roman numeral: CCLXXX
Curiosities
- 280 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 280 prime?
No, 280 is not prime.
What are the factors of 280?
1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280
What is 280 in binary?
100011000