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

Number 1988

Prime factorization

Factorization 2 * 2 * 7 * 71
Divisors 1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988
Count of divisors 12
Sum of divisors 4032

Basic properties

Is prime? × NO
Previous integer 1987
Next integer 1989
Previous prime number 1987
Next prime number 1993
Reciprocal 0.000503018108651
Square 3952144
Square root 44.58699361921591
Natural logarithm 7.594884387216521
Decimal logarithm 3.2984163800612945
Sine 0.5876486750710052
Cosine -0.8091162059230381
Tangent -0.726284643379027

Expressions

Binary 11111000100
Octal 3704
Hexadecimal 7c4