Properties of the Number 19289

Nineteen Thousand Two Hundred Eighty-Nine

Basics

Value: 19288 → 19289 → 19290

Parity: odd

Prime: Yes

Previous Prime: 19273

Next Prime: 19301

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 19289

Divisors: 1, 19289

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101101011001

Octal: 45531

Duodecimal: B1B5

Hexadecimal: 4b59

Square: 372065521

Square Root: 138.88484438555562

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

3ⁿ-th prime. A38833

Primes p such that 8p +1 and (p-1)/8 are primes. A85958

Primes p of the form 2·prime(k) + 3 such that 2·prime(k+1) + 3 is the next prime after p. A89528

Primes that remain prime through 3 iterations of function f(x) = 7x + 6. A23290

Primes congruent to 50 mod 53. A142580

Primes congruent to 55 mod 59. A142782

Numbers k such that σ(σ(k)) is a Fibonacci number. A280545

Primes p such that σ(σ(p)) is a Fibonacci number. A280555

The (mⁿ)-th prime, written as square array T(n,m) read by falling antidiagonals. A347000

T(2n-1,n-2), T given by A026692. A26697