Number 19
The number 19 is the 8th prime number. It has 2 divisors and a digital root of 1. Explore its full properties below, or find words and phrases with a gematria value of 19.
19
Divisors: 2
1, 19
Sum: 20
Prev Prime: 17
8th Prime Number
Next Prime: 23
Mathematical Properties
Golden Number6,765
Reduced Digit Sum1
Magic Constant3,439
Digital Root1
Octal1(23)
Duodecimal21(17)
Hexadecimal25(13)
Binary10011
19th Values
Prime67
Triangular190
Square361
Star2,053
Pentagonal532
Cube6,859
Tetrahedral1,330
Square Pyramidal2,470
Fibonacci4,181
Harshad40
Happy Number139