Number Utopia
Properties of numbers / Online calculators / Number sequence database

Number 4

Prime factorization

Factorization 2 * 2
Divisors 1, 2, 4
Count of divisors 3
Sum of divisors 7

Basic properties

Is prime? × NO
Previous integer 3
Next integer 5
Previous prime number 3
Next prime number 7
Reciprocal 0.25
Square 16
Square root 2
Natural logarithm 1.3862943611198908
Decimal logarithm 0.6020599913279624
Sine -0.7568024953079282
Cosine -0.6536436208636119
Tangent 1.1578212823495777

Expressions

Binary 100
Octal 4
Hexadecimal 4