Number 1225 - properties and curiosities

1225 (number)

1225

Number 1225 properties

  • Perfect square
  • Triangular
  • 1225 is an odd number.
  • 1225 is a perfect square (35 × 35).
  • 1225 is triangular and equals T49.

Prime factorization

Prime factorization of 1225: 5^2 × 7^2.

Divisors

Divisor count: 9

1, 5, 7, 25, 35, 49, 175, 245, 1225

Factors of 1225 are: 1, 5, 7, 25, 35, 49, 175, 245, 1225.

Representations

In octal, 1225 is represented as 2311.

In binary, 1225 is represented as 10011001001.

In hex, 1225 is represented as 4C9.

Roman numeral: MCCXXV

Curiosities

  • 1225 is a perfect square, so it forms a square grid with equal side lengths.

Quick answers

Is 1225 prime?
No, 1225 is not prime.

What are the factors of 1225?
1, 5, 7, 25, 35, 49, 175, 245, 1225

What is 1225 in binary?
10011001001