Number Utopia
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Number 65

Prime factorization

Factorization 5 * 13
Divisors 1, 5, 13, 65
Count of divisors 4
Sum of divisors 84

Basic properties

Is prime? × NO
Previous integer 64
Next integer 66
Previous prime number 61
Next prime number 67
Reciprocal 0.015384615384615
Square 4225
Square root 8.06225774829855
Natural logarithm 4.174387269895637
Decimal logarithm 1.8129133566428555
Sine 0.8268286794901034
Cosine -0.562453851238172
Tangent -1.4700382576631723

Expressions

Binary 1000001
Octal 101
Hexadecimal 41