729
Number 729 properties
- 729 is an odd number.
- 729 is a perfect square (27 × 27).
- 729 is a perfect cube (9 × 9 × 9).
Number 729 - properties and curiosities
729 (number)
Prime factorization
Prime factorization of 729: 3^6.
Divisors
Divisor count: 7
1, 3, 9, 27, 81, 243, 729
Factors of 729 are: 1, 3, 9, 27, 81, 243, 729.
Representations
In octal, 729 is represented as 1331.
In binary, 729 is represented as 1011011001.
In hex, 729 is represented as 2D9.
Roman numeral: DCCXXIX
Curiosities
- 729 is a perfect square, so it forms a square grid with equal side lengths.
Related numbers
Quick answers
Is 729 prime?
No, 729 is not prime.
What are the factors of 729?
1, 3, 9, 27, 81, 243, 729
What is 729 in binary?
1011011001