



Number 243

two hundred forty three

Properties of the number 243

Factorization 

3 * 3 * 3 * 3 * 3

Divisors 
1, 3, 9, 27, 81, 243

Count of divisors 
6

Sum of divisors 
364

Previous integer 
242 
Next integer 
244 
Is prime? 
NO

Previous prime 
241

Next prime 
251

243rd prime 
1543

Is a Fibonacci number? 
NO

Is a Bell number? 
NO

Is a Catalan number? 
NO

Is a factorial? 
NO

Is a regular number? 
YES

Is a perfect number? 
NO

Polygonal number (s < 11)? 
NO 
Binary 
11110011 
Octal 
363 
Duodecimal 
183 
Hexadecimal 
f3 
Square 
59049 
Square root 
15.58845726812 
Natural logarithm 
5.4930614433405 
Decimal logarithm 
2.3856062735983 
Sine 
0.89000934885628 
Cosine 
0.45594227589512 
Tangent 
1.9520219903034 

Number 243 is pronounced two hundred forty three.
Number 243 is a composite number.
Factors of 243 are 3 * 3 * 3 * 3 * 3.
Number 243 has 6 divisors: 1, 3, 9, 27, 81, 243.
Sum of the divisors is 364.
Number 243 is not a Fibonacci number.
It is not a Bell number.
Number 243 is not a Catalan number.
Number 243 is a regular number (Hamming number).
It is a not factorial of any number.
Number 243 is a deficient number and therefore is not a perfect number.
Binary numeral for number 243 is 11110011.
Octal numeral is 363.
Duodecimal value is 183.
Hexadecimal representation is f3.
Square of the number 243 is 59049.
Square root of the number 243 is 15.58845726812.
Natural logarithm of 243 is 5.4930614433405
Decimal logarithm of the number 243 is 2.3856062735983
Sine of 243 is 0.89000934885628. Cosine of the number 243 is 0.45594227589512. Tangent of the number 243 is 1.9520219903034



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