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Number 243

Prime factorization

Factorization 3 * 3 * 3 * 3 * 3
Divisors 1, 3, 9, 27, 81, 243
Count of divisors 6
Sum of divisors 364

Basic properties

Is prime? × NO
Previous integer 242
Next integer 244
Previous prime number 241
Next prime number 257
Reciprocal 0.004115226337448
Square 59049
Square root 15.588457268119896
Natural logarithm 5.493061443340548
Decimal logarithm 2.385606273598312
Sine -0.8900093488562771
Cosine -0.4559422758951242
Tangent 1.9520219903034326

Expressions

Binary 11110011
Octal 363
Hexadecimal f3