1251
Number 1251 properties
- 1251 is an odd number.
- 1251 is a Harshad number, which means it is divisible by the sum of its digits (1251 = 9, and 1251 is divisible by 9).
Number 1251 - properties and curiosities
1251 (number)
Prime factorization
Prime factorization of 1251: 3^2 × 139.
Divisors
Divisor count: 6
1, 3, 9, 139, 417, 1251
Factors of 1251 are: 1, 3, 9, 139, 417, 1251.
Representations
In octal, 1251 is represented as 2343.
In binary, 1251 is represented as 10011100011.
In hex, 1251 is represented as 4E3.
Roman numeral: MCCLI
Curiosities
- 1251 is divisible by the sum of its digits.
Related numbers
Quick answers
Is 1251 prime?
No, 1251 is not prime.
What are the factors of 1251?
1, 3, 9, 139, 417, 1251
What is 1251 in binary?
10011100011