561
Number 561 properties
- 561 is an odd number.
- 561 is triangular and equals T33.
Number 561 - properties and curiosities
561 (number)
Prime factorization
Prime factorization of 561: 3 × 11 × 17.
Divisors
Divisor count: 8
1, 3, 11, 17, 33, 51, 187, 561
Factors of 561 are: 1, 3, 11, 17, 33, 51, 187, 561.
Representations
In octal, 561 is represented as 1061.
In binary, 561 is represented as 1000110001.
In hex, 561 is represented as 231.
Roman numeral: DLXI
Curiosities
- 561 has unique arithmetic behavior worth exploring through its factors and representations.
Related numbers
Quick answers
Is 561 prime?
No, 561 is not prime.
What are the factors of 561?
1, 3, 11, 17, 33, 51, 187, 561
What is 561 in binary?
1000110001