integers.info

Nineteen

19 in other numeral systems

Prime factorization of 19

19 is a prime number

Divisors of 19

1 and 19

A polygon with 19 sides

Is 19 in the Fibonacci number sequence?

No.

Its nearest Fibonacci number neighbors are 13 and 21.

The 19th chemical element

Potassium (K) is the 19th chemical element.