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

Number 9981

Prime factorization

Factorization 3 * 3 * 1109
Divisors 1, 3, 9, 1109, 3327, 9981
Count of divisors 6
Sum of divisors 14430

Basic properties

Is prime? × NO
Previous integer 9980
Next integer 9982
Previous prime number 9973
Next prime number 10007
Reciprocal 0.000100190361687
Square 99620361
Square root 99.90495483208028
Natural logarithm 9.208438564686587
Decimal logarithm 3.999174055588485
Sine -0.15945596791784963
Cosine -0.9872050416683363
Tangent 0.16152264340989947

Expressions

Binary 10011011111101
Octal 23375
Hexadecimal 26fd