Properties of the Number 19009

Nineteen Thousand Nine

Basics

Value: 19008 → 19009 → 19010

Parity: odd

Prime: Yes

Previous Prime: 19001

Next Prime: 19013

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19009

Divisors: 1, 19009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001000001

Octal: 45101

Duodecimal: B001

Hexadecimal: 4a41

Square: 361342081

Square Root: 137.87313008704777

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

a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 1, a(1) = a(2) = 3. A214825

Primes with 23 as smallest positive primitive root. A61335

Primes having only {0, 1, 9} as digits. A199329

Primes of the form 2·n²+6·n+1. A176549

Primes of the form 9x² + 6xy + 1849y². A244019

Numbers whose least quadratic nonresidue (A020649) is 17. A25026

Centered 36-gonal numbers. A195316

Primes of the form x² + 1848·y². A139668

Prime differences of tribonacci numbers. A113239

Primes that are each the sum of two, three, and four consecutive composite numbers. A60339