Properties of the Number 13432

Thirteen Thousand Four Hundred Thirty-Two

Basics

Value: 13431 → 13432 → 13433

Parity: even

Prime: No

Previous Prime: 13421

Next Prime: 13441

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 23 × 73

Divisors: 1, 2, 4, 8, 23, 46, 73, 92, 146, 184

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010001111000

Octal: 32170

Duodecimal: 7934

Hexadecimal: 3478

Square: 180418624

Square Root: 115.89650555560335

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) = 10·n² - 7·n + 1. A158186

Sophie Germain 5-almost primes. A211162

a(n) = (2·n³ + 5·n² - 5·n)/2. A162265

Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions. A186852

a(n) = 25·n²/2 - 11·n/2 + 1. A383465

E.g.f. A(x) satisfies A(x) = exp( sin(x·A(x)²) ). A381417

F(n)_n where F() = Fibonacci numbers A000045. A122633

Numbers n such that 15·prime(n)+{-4,-2,2,4} are all primes. A176002

Expansion of (1 + 6·x + x² + 12·x³ - 2·x⁴)/((1 - x)⁴*(1 + x)³). A268579

E.g.f. A = A(x,y) satisfies: A² + B² + C² = 1 + y² and A³ + B³ + C³ = 1 + y³, where functions B = B(x,y) and C = C(x,y) are described by A278886 and A278887, respectively. A278885