Properties of the Number 38799

Thirty-Eight Thousand Seven Hundred Ninety-Nine

Basics

Value: 38798 → 38799 → 38800

Parity: odd

Prime: No

Previous Prime: 38791

Next Prime: 38803

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 479

Divisors: 1, 3, 9, 27, 81, 479, 1437, 4311, 12933, 38799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011110001111

Octal: 113617

Duodecimal: 1A553

Hexadecimal: 978f

Square: 1505362401

Square Root: 196.9746176541536

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) = (3 + 2·n - 3·n² + 4·n³ - 3*((-1 + n) mod 2))/6. A304487

Numbers k such that both k and k+1 are not exponentially squarefree numbers. A342188

Numbers k such that k and k+1 both have the same number of squarefree divisors and powerful divisors. A360904

Odd composite n such that φ(n) * σ(n) is one less than a square. A15722

Triangular array read by rows: row n shows the coefficients of the polynomial u(n) = c(0) + c(1)*x + ... + c(n)*xⁿ which is the numerator of the n-th convergent of the continued fraction [k, k, k, ... ], where k = (x + 1)/(x + 2). A231774

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 163", based on the 5-celled von Neumann neighborhood. A270455

a(1) = 1; a(n) = ∑_{k=1..ceiling(n/2)} a(k) * a(n-k). A348530

Least number k such that k·p(n)*(k·p(n)+1)-1, k·p(n)*(k·p(n)+1)+1, k·p(n)*(k·p(n)+3)-1 and k·p(n)*(k·p(n)+3)+1 are all primes, two pairs of twin primes, with p(i) = i-th prime. A139638

T(2n+6,n), array T as in A038792. A38799