21025
Number 21025 properties
- 21025 is an odd number.
- 21025 is a perfect square (145 × 145).
Number 21025 - properties and curiosities
21025 (number)
Prime factorization
Prime factorization of 21025: 5^2 × 29^2.
Divisors
Divisor count: 9
1, 5, 25, 29, 145, 725, 841, 4205, 21025
Factors of 21025 are: 1, 5, 25, 29, 145, 725, 841, 4205, 21025.
Representations
In octal, 21025 is represented as 51041.
In binary, 21025 is represented as 101001000100001.
In hex, 21025 is represented as 5221.
Roman numeral: Roman numerals are shown only for 1 to 4999.
Curiosities
- 21025 is a perfect square, so it forms a square grid with equal side lengths.
Related numbers
Nearby primes: 21017, 21019, 21023, 21031, 21059, 21061
Quick answers
Is 21025 prime?
No, 21025 is not prime.
What are the factors of 21025?
1, 5, 25, 29, 145, 725, 841, 4205, 21025
What is 21025 in binary?
101001000100001