



Number 89

eighty nine

Properties of the number 89

Factorization 

89

Divisors 
1, 89

Count of divisors 
2

Sum of divisors 
90

Previous integer 
88 
Next integer 
90 
Is prime? 
YES
(24th prime)

Previous prime 
83

Next prime 
97

89th prime 
461

Is a Fibonacci number? 
YES F_{11}

Is a Bell number? 
NO

Is a Catalan number? 
NO

Is a factorial? 
NO

Is a regular number? 
NO

Is a perfect number? 
NO

Polygonal number (s < 11)? 
NO 
Binary 
1011001 
Octal 
131 
Duodecimal 
75 
Hexadecimal 
59 
Square 
7921 
Square root 
9.4339811320566 
Natural logarithm 
4.4886363697321 
Decimal logarithm 
1.9493900066449 
Sine 
0.86006940581245 
Cosine 
0.51017704494167 
Tangent 
1.685825370506 

Number 89 is pronounced eighty nine.
Number 89 is a prime number.
The prime number before 89 is 83.
The prime number after 89 is 97.
Number 89 has 2 divisors: 1, 89.
Sum of the divisors is 90.
Number 89 is a Fibonacci number.
It is not a Bell number.
Number 89 is not a Catalan number.
Number 89 is not a regular number (Hamming number).
It is a not factorial of any number.
Number 89 is a deficient number and therefore is not a perfect number.
Binary numeral for number 89 is 1011001.
Octal numeral is 131.
Duodecimal value is 75.
Hexadecimal representation is 59.
Square of the number 89 is 7921.
Square root of the number 89 is 9.4339811320566.
Natural logarithm of 89 is 4.4886363697321
Decimal logarithm of the number 89 is 1.9493900066449
Sine of 89 is 0.86006940581245. Cosine of the number 89 is 0.51017704494167. Tangent of the number 89 is 1.685825370506



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