Properties of the Number -218988

Two Hundred Eighteen Thousand Nine Hundred Eighty-Eight

Basics

Value: -218989 → -218988 → -218987

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 11 × 79

Divisors: 1, 2, 3, 4, 6, 7, 9, 11, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101011101101100

Octal: -653554

Duodecimal: -A6890

Hexadecimal: -3576c

Square: 47955744144

Square Root: 467.9615368809706

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 walks of length n along the edges of a dodecahedron between two opposite vertices. A54883

a(n) = 169·n² - n. A157998

a(n) = 676·n² - 2·n. A158392

a(n) = 1296·n² - 36. A158737

a(n) = n*(2·n+5)*(2·n+7). A35329