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Number 1556

Prime factorization

Factorization 2 * 2 * 389
Divisors 1, 2, 4, 389, 778, 1556
Count of divisors 6
Sum of divisors 2730

Basic properties

Is prime? × NO
Previous integer 1555
Next integer 1557
Previous prime number 1553
Next prime number 1559
Reciprocal 0.00064267352185
Square 2421136
Square root 39.44616584663204
Natural logarithm 7.349873704738337
Decimal logarithm 3.1920095926536702
Sine -0.7905070604590257
Cosine -0.6124529266518614
Tangent 1.2907229699767213

Expressions

Binary 11000010100
Octal 3024
Hexadecimal 614