Number 11
The number 11 is the 5th prime number, a palindrome. It has 2 divisors and a digital root of 2. Explore its full properties below, or find words and phrases with a gematria value of 11.
11
Divisors: 2
1, 11
Sum: 12
Prev Prime: 7
5th Prime Number
Next Prime: 13
Prev Palindromic: 9
11th Palindromic Number
Next Palindromic: 22
Mathematical Properties
Golden Number144
Reduced Digit Sum2
Magic Constant671
Digital Root2
Octal9(13)
Duodecimal13(b)
Hexadecimal17(b)
Binary1011
11th Values
Prime31
Triangular66
Square121
Star661
Pentagonal176
Cube1,331
Tetrahedral286
Square Pyramidal506
Fibonacci89
Harshad12
Happy Number79