Number 225
The number 225 is a perfect square (15²). It has 9 divisors and a digital root of 9. Explore its full properties below, or find words and phrases with a gematria value of 225.
225
Divisors: 9
1, 3, 5, 9, 15, 25, 45, 75, 225
Sum: 403
Prev Square: 196
15th Square Number
Next Square: 256
Mathematical Properties
Golden Numbern/a
Reduced Digit Sum9
Magic Constant5,695,425
Digital Root9
Octal149(341)
Duodecimal317(169)
Hexadecimal549(e1)
Binary11100001
225th Values
Prime1,427
Triangular25,425
Square50,625
Star302,401
Pentagonal75,825
Cube11,390,625
Tetrahedral1,923,825
Square Pyramidal3,822,225
Fibonaccin/a
Harshad1,032
Happy Number1,574