Properties of the Number 2

Two

Basics

Value: 1 → 2 → 3

Parity: even

Prime: Yes

Previous Prime: 1

Next Prime: 3

Digit Sum: 2

Digital Root: 2

Palindrome: Yes

Factorization: 2

Divisors: 1, 2

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10

Octal: 2

Duodecimal: 2

Hexadecimal: 2

Square: 4

Square Root: 1.4142135623730951

Classification

Fibonacci: Yes

Bell Number: Yes

Factorial Number: Yes

Regular Number: Yes

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: Yes

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

No sequences found.