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

Number 1225

Properties of the number 1225

Prime Factorization 52 x 72
Divisors 1, 5, 7, 25, 35, 49, 175, 245, 1225
Count of divisors 9
Sum of divisors 1767
Previous integer 1224
Next integer 1226
Is prime? NO
Previous prime 1223
Next prime 1229
1225th prime number
calculating, please wait
Is a Fibonacci number? NO
Zeckendorf representation 987 + 233 + 5
Is a Pell number? NO
Is a regular number? NO
Is a perfect number? NO
Is a perfect square number? YES
Is a perfect cube number? NO
Is power of 2? NO
Is power of 3? NO
Square 12252 1500625
Square root √1225 35
Cube 12253 1838265625
Cubic root ∛1225 10.699874805651
Natural logarithm 7.1106961229788
Decimal logarithm 3.0881360887006

Trigonometry of the number 1225

1225 modulo 360° 145°
Sine of 1225 radians -0.21933702833761
Cosine of 1225 radians 0.97564915210337
Tangent of 1225 radians -0.22481137595902
Sine of 1225 degrees 0.57357643635105
Cosine of 1225 degrees -0.81915204428899
Tangent of 1225 degrees -0.70020753820971
1225 degrees in radiants 21.380283336931
1225 radiants in degrees 70187.329903526

Base conversion of the number 1225

Binary 10011001001
Octal 2311
Duodecimal 861
Hexadecimal 4c9
« 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 »