1221
Number 1221 properties
- 1221 is an odd number.
- 1221 is a palindrome.
Number 1221 - properties and curiosities
1221 (number)
Prime factorization
Prime factorization of 1221: 3 × 11 × 37.
Divisors
Divisor count: 8
1, 3, 11, 33, 37, 111, 407, 1221
Factors of 1221 are: 1, 3, 11, 33, 37, 111, 407, 1221.
Representations
In octal, 1221 is represented as 2305.
In binary, 1221 is represented as 10011000101.
In hex, 1221 is represented as 4C5.
Roman numeral: MCCXXI
Curiosities
- 1221 reads the same from left to right and right to left.
Related numbers
Quick answers
Is 1221 prime?
No, 1221 is not prime.
What are the factors of 1221?
1, 3, 11, 33, 37, 111, 407, 1221
What is 1221 in binary?
10011000101