861
Number 861 properties
- 861 is an odd number.
- 861 is triangular and equals T41.
Number 861 - properties and curiosities
861 (number)
Prime factorization
Prime factorization of 861: 3 × 7 × 41.
Divisors
Divisor count: 8
1, 3, 7, 21, 41, 123, 287, 861
Factors of 861 are: 1, 3, 7, 21, 41, 123, 287, 861.
Representations
In octal, 861 is represented as 1535.
In binary, 861 is represented as 1101011101.
In hex, 861 is represented as 35D.
Roman numeral: DCCCLXI
Curiosities
- 861 has unique arithmetic behavior worth exploring through its factors and representations.
Related numbers
Quick answers
Is 861 prime?
No, 861 is not prime.
What are the factors of 861?
1, 3, 7, 21, 41, 123, 287, 861
What is 861 in binary?
1101011101