Representation numerals

γʹ

٣

III

●●●

三

ג

Numeral systems

Binary: 11

Septimal (base 7): 3

Octal: 3

Hexadecimal: 3

Base 24: 3

Factorization

3 is a prime number (Gaussian prime)

Sums & differences

Characteristics

3 is a Fibonacci number

3 is a palindromic number in decimal system

3 is a palindromic number in binary system (11)

3 is a palindromic number in septimal system (3)