The number 3

Representation numerals

Greek numeral: γʹ

Arabic numeral: ٣

Roman numeral: III

Numeral systems

Binary: 11

Septimal (base 7): 3

Octal: 3

Hexadecimal: 3

Factorization

3 is a prime number (Gaussian prime)

Sums & differences

Characteristics

3 is a Fibonacci number

3 is a triangular number
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The next triangular is: 6

Related primes

The 3th prime number is: 5

Previous prime number: 2 — Next prime number: 5

This number is a twin prime, the other twin is 5

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