91
Number 91 properties
- 91 is an odd number.
- 91 is triangular and equals T13.
Number 91 - properties and curiosities
91 (number)
Prime factorization
Prime factorization of 91: 7 × 13.
Divisors
Divisor count: 4
1, 7, 13, 91
Factors of 91 are: 1, 7, 13, 91.
Representations
In octal, 91 is represented as 133.
In binary, 91 is represented as 1011011.
In hex, 91 is represented as 5B.
Roman numeral: XCI
Curiosities
- 91 has unique arithmetic behavior worth exploring through its factors and representations.
Related numbers
Quick answers
Is 91 prime?
No, 91 is not prime.
What are the factors of 91?
1, 7, 13, 91
What is 91 in binary?
1011011