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

Number 2

Properties of the number 2

Prime Factorization	2
Divisors	1, 2
Count of divisors	2
Sum of divisors	3
Previous integer	1
Next integer	3
Is prime?	YES
Prime number position	1
Previous prime
Next prime	3
2^nd prime number	↻ calculating, please wait
Is a Fibonacci number?	YES
Previous Fibonacci number	1
Next Fibonacci number	2
2^nd Fibonacci number	1
Zeckendorf representation	2
Is a Pell number?	YES
Is a regular number?	YES
Is a perfect number?	NO
Is a perfect square number?	NO
Is a perfect cube number?	NO
Is power of 2?	YES
Is power of 3?	NO
Factorial 2!	2
Square 2²	4
Square root √2	1.4142135623731
Cube 2³	8
Cubic root ∛2	1.2599210498949
Natural logarithm	0.69314718055995
Decimal logarithm	0.30102999566398

Trigonometry of the number 2

2 modulo 360°	2°
Sine of 2 radians	0.90929742682568
Cosine of 2 radians	-0.41614683654714
Tangent of 2 radians	-2.1850398632615
Sine of 2 degrees	0.034899496702501
Cosine of 2 degrees	0.9993908270191
Tangent of 2 degrees	0.034920769491748
2 degrees in radiants	0.034906585039887
2 radiants in degrees	114.59155902616

Base conversion of the number 2

Binary	10
Octal	2
Duodecimal	2
Hexadecimal	2

« 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

A comprehensive introduction to number theory, with complete proofs, worked examples, and exercises.

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.

In addition to covering the basics, it offers an outstanding introduction to partitions, multiplicativity-divisibility, and more.