4991
Number 4991 properties
- 4991 is an odd number.
- 4991 is a Harshad number, which means it is divisible by the sum of its digits (4991 = 23, and 4991 is divisible by 23).
Number 4991 - properties and curiosities
4991 (number)
Prime factorization
Prime factorization of 4991: 7 × 23 × 31.
Divisors
Divisor count: 8
1, 7, 23, 31, 161, 217, 713, 4991
Factors of 4991 are: 1, 7, 23, 31, 161, 217, 713, 4991.
Representations
In octal, 4991 is represented as 11577.
In binary, 4991 is represented as 1001101111111.
In hex, 4991 is represented as 137F.
Roman numeral: MMMMCMXCI
Curiosities
- 4991 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 4991 prime?
No, 4991 is not prime.
What are the factors of 4991?
1, 7, 23, 31, 161, 217, 713, 4991
What is 4991 in binary?
1001101111111