Properties of the Number 19331

Nineteen Thousand Three Hundred Thirty-One

Basics

Value: 19330 → 19331 → 19332

Parity: odd

Prime: No

Previous Prime: 19319

Next Prime: 19333

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 13 × 1487

Divisors: 1, 13, 1487, 19331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101110000011

Octal: 45603

Duodecimal: B22B

Hexadecimal: 4b83

Square: 373687561

Square Root: 139.03596656980523

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

Odd semiprimes k = p·q such that k = A325820(p,q), with p, q primes > 3, and A325820 is the carryless base-3 multiplication. A391331

a(n) = (2·n³ + 5·n² + 5·n)/2. A162267

Bi-unitary multiperfect numbers. A189000

Cyclotomic polynomials at x=13. A19331

a(n) is the first term to repeat when following the same rules as Recamán's sequence A005132 but starting at n instead of 0. A334148