Properties of the Number -215914

Two Hundred Fifteen Thousand Nine Hundred Fourteen

Basics

Value: -215915 → -215914 → -215913

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 89 × 1213

Divisors: 1, 2, 89, 178, 1213, 2426, 107957, 215914

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100101101101010

Octal: -645552

Duodecimal: -A4B4A

Hexadecimal: -34b6a

Square: 46618855396

Square Root: 464.6654710649372

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 nonequivalent noncrossing cacti with n nodes up to rotation. A361242

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A253837

Revert transform of (1 - 3x + 2x² + x³)/(1 - 2x + 2x³). A49138