1 million digits of PI 1 billion digits of PI Mandelbrot set Explorer

Number 985

Properties of the number 985

Prime Factorization 5 x 197
Divisors 1, 5, 197, 985
Count of divisors 4
Sum of divisors 1188
Previous integer 984
Next integer 986
Is prime? NO
Previous prime 983
Next prime 991
985th prime number
calculating, please wait
Is a Fibonacci number? NO
Zeckendorf representation 610 + 233 + 89 + 34 + 13 + 5 + 1
Is a Pell number? YES
Is a regular number? NO
Is a perfect number? NO
Is a perfect square number? NO
Is a perfect cube number? NO
Is power of 2? NO
Is power of 3? NO
Square 9852 970225
Square root √985 31.38470965295
Cube 9853 955671625
Cubic root ∛985 9.9497478956015
Natural logarithm 6.8926416411721
Decimal logarithm 2.9934362304976

Trigonometry of the number 985

985 modulo 360° 265°
Sine of 985 radians -0.99387866720305
Cosine of 985 radians 0.11047712377991
Tangent of 985 radians -8.996239521795
Sine of 985 degrees -0.99619469809175
Cosine of 985 degrees -0.087155742747659
Tangent of 985 degrees 11.430052302761
985 degrees in radiants 17.191493132144
985 radiants in degrees 56436.342820386

Base conversion of the number 985

Binary 1111011001
Octal 1731
Duodecimal 6a1
Hexadecimal 3d9
« Previous Next »

Recommended Books

Looking for good books to read? Take a look at these books if you want to know more about the theory of numbers
To guide today's students through the key milestones and developments in number theory
Read it »
A comprehensive introduction to number theory, with complete proofs, worked examples, and exercises.
Read it »
Several of its challenges are so easy to state that everyone can understand them, and yet no-one has ever been able to resolve them.
Read it »
In addition to covering the basics, it offers an outstanding introduction to partitions, multiplicativity-divisibility, and more.
Read it »