Prime number 2
Interestingness: 35 · Rank #5 of 1000
Visual representations
Representations of 2
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2 in different numeral systems
Number-theory characteristics (13)
Odious number
Pronic
Factorial
Lucas number
Catalan number
Refactorable
One O
Even
Fibonacci
Ones-Zeroes
Prime number
Sophie Germain prime
Deficient
Base-10 digit properties (6)
These depend on the decimal representation of the number.
Palindromic
Harshad
Repdigit
Spy number
Narcissistic
Zuckerman number