Properties of the Number 43873

Forty-Three Thousand Eight Hundred Seventy-Three

Basics

Value: 43872 → 43873 → 43874

Parity: odd

Prime: No

Previous Prime: 43867

Next Prime: 43889

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 73 × 601

Divisors: 1, 73, 601, 43873

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010101101100001

Octal: 125541

Duodecimal: 21481

Hexadecimal: ab61

Square: 1924840129

Square Root: 209.45882650296693

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

a(n) = sigma₄(n²)/sigma₂(n²). A84218

MM-numbers of crossing, capturing multiset partitions (with empty parts allowed). A326259

Counterbalanced numbers: Composite numbers k such that φ(k)/(σ(k)-k) is an integer. A55940

MM-numbers of labeled simple hypergraphs with no singletons spanning an initial interval of positive integers. A320463

a(n) = floor(sqrt(a(n-1)² + a(n-2)²)), a(1)=10, a(2)=30. A104863

Numbers n such that 2^σ(n-n) == 1 (mod n). A277172

Numbers n such that 10ⁿ - 41 is prime. A178406

Positive integers k such that 2^k+2 - 1 is divisible by k. A381010

Number of simple allowable sequences on 1..n containing the permutation 12...n. A5118

Strict sense ballot numbers: n candidates, k-th candidate gets k votes. A3121