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Number 225

Prime factorization

Factorization 3 * 3 * 5 * 5
Divisors 1, 3, 5, 9, 15, 25, 45, 75, 225
Count of divisors 9
Sum of divisors 403

Basic properties

Is prime? × NO
Previous integer 224
Next integer 226
Previous prime number 223
Next prime number 227
Reciprocal 0.004444444444444
Square 50625
Square root 15
Natural logarithm 5.41610040220442
Decimal logarithm 2.3521825181113627
Sine -0.9300948780045254
Cosine 0.3673193677302451
Tangent -2.5321149923343427

Expressions

Binary 11100001
Octal 341
Hexadecimal e1