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Number 1965

Prime factorization

Factorization 3 * 5 * 131
Divisors 1, 3, 5, 15, 131, 393, 655, 1965
Count of divisors 8
Sum of divisors 3168

Basic properties

Is prime? × NO
Previous integer 1964
Next integer 1966
Previous prime number 1951
Next prime number 1973
Reciprocal 0.000508905852417
Square 3861225
Square root 44.328320518603
Natural logarithm 7.583247524303362
Decimal logarithm 3.2933625547114453
Sine -0.9978092612338768
Cosine -0.0661564675289178
Tangent 15.082565597954913

Expressions

Binary 11110101101
Octal 3655
Hexadecimal 7ad