Properties of the Number 81914

Eighty-One Thousand Nine Hundred Fourteen

Basics

Value: 81913 → 81914 → 81915

Parity: even

Prime: No

Previous Prime: 81901

Next Prime: 81919

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 5851

Divisors: 1, 2, 7, 14, 5851, 11702, 40957, 81914

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111111111010

Octal: 237772

Duodecimal: 3B4A2

Hexadecimal: 13ffa

Square: 6709903396

Square Root: 286.2062193593983

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

G.f.: (1+3·x+2·x²)/((1-x)*(1-2·x²)). A63757

Smallest number k such that A345112(k) = n. A357361

Bisection of Lucas numbers: a(n) = L(2·n) = A000032(2·n). A5248

a(n) = 3ⁿ*(n³ - 3·n² + 2·n + 162)/162. A81914