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Number 3969

Prime factorization

Factorization 3 * 3 * 3 * 3 * 7 * 7
Divisors 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969
Count of divisors 15
Sum of divisors 6897

Basic properties

Is prime? × NO
Previous integer 3968
Next integer 3970
Previous prime number 3967
Next prime number 3989
Reciprocal 0.000251952632905
Square 15752961
Square root 63
Natural logarithm 8.286269452783065
Decimal logarithm 3.598681098907163
Sine -0.9201559227267819
Cosine -0.3915521394026913
Tangent 2.3500214406450954

Expressions

Binary 111110000001
Octal 7601
Hexadecimal f81