Properties of the Number 4839

Four Thousand Eight Hundred Thirty-Nine

Basics

Value: 4838 → 4839 → 4840

Parity: odd

Prime: No

Previous Prime: 4831

Next Prime: 4861

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 1613

Divisors: 1, 3, 1613, 4839

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011100111

Octal: 11347

Duodecimal: 2973

Hexadecimal: 12e7

Square: 23415921

Square Root: 69.56292115775473

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

D-toothpick sequence of the third kind starting with a single toothpick. A220500

Number of pairs of consecutive integers x, x+1 such that all prime factors of both·and x+1 are at most the n-th prime. A2071

Indices of prime NSW numbers A088165. A113501

G.f. satisfies: A(x) = Sum{n>=0} xⁿ * A(n·x). A125282

a(n) = 3·n² + n - 1. A144391

Continued fraction expansion of the constant·defined by x = cos(x). A177413

Numbers n such that (n⁸⁹-1)/(n-1) is prime. A217088

Composite squarefree numbers n such that p+τ(n) divides n-σ(n), where p are the prime factors of n, τ(n) = A000005(n) and σ(n) = A000203(n). A229274

Numbers k such that k·10^k + 1 is prime. A7647

a(n) = T(n,n+2), T given by A027052. A27053