Properties of the Number 43813

Forty-Three Thousand Eight Hundred Thirteen

Basics

Value: 43812 → 43813 → 43814

Parity: odd

Prime: No

Previous Prime: 43801

Next Prime: 43853

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 11 × 569

Divisors: 1, 7, 11, 77, 569, 3983, 6259, 43813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010101100100101

Octal: 125445

Duodecimal: 21431

Hexadecimal: ab25

Square: 1919578969

Square Root: 209.3155512617254

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 partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) is a part of p. A241735

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2)², where a(0) = 1, a(1) = 3, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences. A296258

Number of nX4 0..1 arrays with each 1 horizontally or vertically adjacent to 2 or 4 1s. A295201

Sum of the prime factors of k equals half the sum of the prime factors of k + 1. A74213

Numbers n such that number of runs in the base 3 representation of n is congruent to 7 mod 9. A43813

Table read by antidiagonals: T(n,k) (n >= 3, k >= 1) is the number of vertices formed in a regular n-gon by straight line segments when connecting the n corner vertices to the points dividing the sides into k equal parts. A354544