Properties of the Number 38381

Thirty-Eight Thousand Three Hundred Eighty-One

Basics

Value: 38380 → 38381 → 38382

Parity: odd

Prime: No

Previous Prime: 38377

Next Prime: 38393

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 5483

Divisors: 1, 7, 5483, 38381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001010111101101

Octal: 112755

Duodecimal: 1A265

Hexadecimal: 95ed

Square: 1473101161

Square Root: 195.91069393986638

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

Expansion of ∏_k>=1 (1 + x^2·k+1)^k. A263149

Number of vertices formed when connecting all 4n points on the perimeter of an n X n square by infinite lines. A345649

E.g.f.: 1 - exp((-1 + sqrt(5 - 4·exp(x)) )/2). A118794

Semiprimes formed by concatenating n, n, and 1 for n = 1, 2, 3,.... A210711

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 379", based on the 5-celled von Neumann neighborhood. A271537

Number of perifusenes with one internal vertex and symmetry point group C_s. A38381