Properties of the Number -216864

Two Hundred Sixteen Thousand Eight Hundred Sixty-Four

Basics

Value: -216865 → -216864 → -216863

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ³ × 251

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100111100100000

Octal: -647440

Duodecimal: -A5600

Hexadecimal: -34f20

Square: 47029994496

Square Root: 465.6865898863741

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

Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k UDDU's. A135306

Sum of the asymmetry degrees of all compositions of n with parts in {3,4,5,6, ...}. A276059

a(n) is the number of regular hexagons with all six vertices (x,y,z) in the set {1,2,...,n}³. A338322

Number of length-n 0..3 arrays with every repeated value unequal to the previous repeated value plus one mod 3+1. A269771