121
Number 121 properties
- 121 is an odd number.
- 121 is a palindrome.
- 121 is a perfect square (11 × 11).
Number 121 - properties and curiosities
121 (number)
Prime factorization
Prime factorization of 121: 11^2.
Divisors
Divisor count: 3
1, 11, 121
Factors of 121 are: 1, 11, 121.
Representations
In octal, 121 is represented as 171.
In binary, 121 is represented as 1111001.
In hex, 121 is represented as 79.
Roman numeral: CXXI
Curiosities
- 121 is a perfect square, so it forms a square grid with equal side lengths.
- 121 reads the same from left to right and right to left.
Related numbers
Quick answers
Is 121 prime?
No, 121 is not prime.
What are the factors of 121?
1, 11, 121
What is 121 in binary?
1111001