Properties of the Number -215137

Two Hundred Fifteen Thousand One Hundred Thirty-Seven

Basics

Value: -215138 → -215137 → -215136

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 ² × 19 × 67

Divisors: 1, 13, 19, 67, 169, 247, 871, 1273, 3211, 11323

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100100001100001

Octal: -644141

Duodecimal: -A4601

Hexadecimal: -34861

Square: 46283928769

Square Root: 463.8286321476931

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

Take an n X n square grid of points in the plane; a(n) = number of ways to divide the points into two sets using a straight line. A114043

Number of vertices in a complete bipartite graph where the vertices in the two parts are placed on opposite sides of a parabola at integer y coordinates y = 1, 2, ...n. A392442