Properties of the Number 81896

Eighty-One Thousand Eight Hundred Ninety-Six

Basics

Value: 81895 → 81896 → 81897

Parity: even

Prime: No

Previous Prime: 81883

Next Prime: 81899

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 29 × 353

Divisors: 1, 2, 4, 8, 29, 58, 116, 232, 353, 706

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111111101000

Octal: 237750

Duodecimal: 3B488

Hexadecimal: 13fe8

Square: 6706954816

Square Root: 286.174771774173

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 antichains of subsets of {1..n} with equal edge-sums. A326574

p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S² - S³ + S⁴ + S⁵. A291249

Numbers k such that (16·10^k - 19)/3 is prime. A271146

Third binomial transform of binomial(n+3, 3). A81896