Properties of the Number 38800

Thirty-Eight Thousand Eight Hundred

Basics

Value: 38799 → 38800 → 38801

Parity: even

Prime: No

Previous Prime: 38791

Next Prime: 38803

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 5 ² × 97

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001011110010000

Octal: 113620

Duodecimal: 1A554

Hexadecimal: 9790

Square: 1505440000

Square Root: 196.9771560359221

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

Array read by antidiagonals: T(n,k) is the number of nonisomorphic multisets of involutions on an n-set with k involutions. A362648

Relative of Hofstadter Q-sequence: a(n) = max(0, n+19395) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0. A283886

The fourth row of the ED1 array A167546. A167547

Numbers k such that the powerful part of the sum of divisors of k (A387726) is greater than or equal to k, and σ(k) is not itself a powerful number. A387729

Expansion of (theta₃(z)*theta₃(11z) + theta₂(z)*theta₂(11z))⁴. A28612

Numbers of isomers of unbranched a-4-catapolypentagons - see Brunvoll reference for precise definition. A121136

a(n) = 4*(4 + 9·n² + 15·n). A144449

a(n) = A061039(8·n+5). A144453

a(n) = 97·n². A174338

Number of n X 5 binary arrays without the pattern 0 1 diagonally or antidiagonally. A188820