Properties of the Number 91940

Ninety-One Thousand Nine Hundred Forty

Basics

Value: 91939 → 91940 → 91941

Parity: even

Prime: No

Previous Prime: 91939

Next Prime: 91943

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 4597

Divisors: 1, 2, 4, 5, 10, 20, 4597, 9194, 18388, 22985

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110011100100100

Octal: 263444

Duodecimal: 45258

Hexadecimal: 16724

Square: 8452963600

Square Root: 303.2160945596391

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

Number of compositions of n with first part 4 and no equal adjacent parts; this is column 4 of the array in A096568. A96572

The number of triangles in an equipotential triangle divided by medians into n rows of smaller triangles. A210687

Given n colors, sequence gives number of ways to color the vertices of a square such that no edge has the same color on both of its vertices. A91940