Properties of the Number -405331

Four Hundred Five Thousand Three Hundred Thirty-One

Basics

Value: -405332 → -405331 → -405330

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 17 × 113 × 211

Divisors: 1, 17, 113, 211, 1921, 3587, 23843, 405331

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100010111101010011

Octal: -1427523

Duodecimal: -176697

Hexadecimal: -62f53

Square: 164293219561

Square Root: 636.6561081148911

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) = numerator of sum of the reciprocals of all terms in rows 1 through n of table A126336. A126338

Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,2 4,3 5,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155378