Properties of the Number -218389

Two Hundred Eighteen Thousand Three Hundred Eighty-Nine

Basics

Value: -218390 → -218389 → -218388

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 218389

Divisors: 1, 218389

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110101010100010101

Octal: -652425

Duodecimal: -A6471

Hexadecimal: -35515

Square: 47693755321

Square Root: 467.32108876018

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) = (n⁵ - 133·n⁴ + 6729·n³ - 158379·n² + 1720294·n - 6823316)/4. A121887

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 185", based on the 5-celled von Neumann neighborhood. A279701