Properties of the Number 43006

Forty-Three Thousand Six

Basics

Value: 43005 → 43006 → 43007

Parity: even

Prime: No

Previous Prime: 43003

Next Prime: 43013

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 21503

Divisors: 1, 2, 21503, 43006

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011111111110

Octal: 123776

Duodecimal: 20A7A

Hexadecimal: a7fe

Square: 1849516036

Square Root: 207.37888031330482

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

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) + 1, where a(0) = 2, a(1) = 3, b(0) = 1, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295958

a(n) = 9·n³/2 - 21·n²/2 + 8·n - 4. A232495

Number of n X 3 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302273

T(n,k) = number of n X k 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302278

a(n) = (2·n + 1)^{2·floor((n-1}/2) + 1). A271390

Base-5 palindromes that start with 1. A43006