Properties of the Number -38380

Thirty-Eight Thousand Three Hundred Eighty

Basics

Value: -38381 → -38380 → -38379

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 19 × 101

Divisors: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001010111101100

Octal: -112754

Duodecimal: -1A264

Hexadecimal: -95ec

Square: 1473024400

Square Root: 195.90814173994914

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) = floor( n*(n-1)*(n-2)*(n-3)/29 ). A11939

Maximum number of tatami tilings of any m X m square region with exactly n horizontal dimers and m monomers. A192096

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 315", based on the 5-celled von Neumann neighborhood. A271248

Self-convolution of row n of array T given by A026022. A27294

Alternating sum of 10-gonal (or decagonal) pyramidal numbers. A269441

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