Properties of the Number -163878

One Hundred Sixty-Three Thousand Eight Hundred Seventy-Eight

Basics

Value: -163879 → -163878 → -163877

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 13 × 191

Divisors: 1, 2, 3, 6, 11, 13, 22, 26, 33, 39

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -101000000000100110

Octal: -500046

Duodecimal: -7AA06

Hexadecimal: -28026

Square: 26855998884

Square Root: 404.81847783914213

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

T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once. A268639

Number of n X 6 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically. A209648

Number of n X 3 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once. A268634

Number of nX6 0..2 arrays with some element plus some horizontally or vertically adjacent neighbor totalling two exactly once. A268637

a(1) =a(2) =1. a(n+1) = (sum{1<=k<=n/2} a(k)) * (sum{n/2<j<=n} a(j)). A113844

Number of simple connected graphs with n nodes that have no subgraph isomorphic to the bowtie graph or K₄. A243551

Triangular numbers which are products of five distinct primes. A357590