Properties of the Number 81092

Eighty-One Thousand Ninety-Two

Basics

Value: 81091 → 81092 → 81093

Parity: even

Prime: No

Previous Prime: 81083

Next Prime: 81097

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 19 × 97

Divisors: 1, 2, 4, 11, 19, 22, 38, 44, 76, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110011000100

Octal: 236304

Duodecimal: 3AB18

Hexadecimal: 13cc4

Square: 6575912464

Square Root: 284.76657107181666

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) = 4·a(n-1) - a(n-2) - 4, with a(0) = 2, a(1) = 4. A71954

Primes having a prime number of 1's in their binary representation. A81092

Revert transform of (3x² - 1)/(-1 - x + 2x² + x³). A49129