Properties of the Number 19

Nineteen

Basics

Value: 18 → 19 → 20

Parity: odd

Prime: Yes

Previous Prime: 17

Next Prime: 23

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 19

Divisors: 1, 19

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011

Octal: 23

Duodecimal: 17

Hexadecimal: 13

Square: 361

Square Root: 4.358898943540674

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

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.