Properties of the Number -43771

Forty-Three Thousand Seven Hundred Seventy-One

Basics

Value: -43772 → -43771 → -43770

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 13 ² × 37

Divisors: 1, 7, 13, 37, 91, 169, 259, 481, 1183, 3367

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010101011111011

Octal: -125373

Duodecimal: -213B7

Hexadecimal: -aafb

Square: 1915900441

Square Root: 209.21520021260406

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..3 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222500

a(n) = A055086(n!). A78160

a(n) is the smallest number with exactly n divisors that are centered n-gonal numbers. A358541

a(n) is the total number of vertices of degree 3 in Catalan word grid graphs with n parts. A390116

a(n) equals the coefficient of x^2n-1 in the n-th iteration of x/(1-x²) for n>=1. A185751

Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222498

a(0) = 1; a(n) = 2·a(n-1) + a(floor(n/3)). A393382

Number of 4Xn 0..3 arrays with exactly floor(4Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order. A222503

a(n) = A159065(n+1) - A334701(n). A335677