Properties of the Number 81496

Eighty-One Thousand Four Hundred Ninety-Six

Basics

Value: 81495 → 81496 → 81497

Parity: even

Prime: No

Previous Prime: 81463

Next Prime: 81509

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 61 × 167

Divisors: 1, 2, 4, 8, 61, 122, 167, 244, 334, 488

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111001011000

Octal: 237130

Duodecimal: 3B1B4

Hexadecimal: 13e58

Square: 6641598016

Square Root: 285.47504269200135

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 unsymmetrical catafusenes with n hexagons (see reference for precise definition). A45909

Number of partitions p of n such that 2·min(p) + (number of parts of p) is not a part of p. A238542

Start with Pascal's triangle; a(n) is the sum of the numbers on the periphery of the n-th central rhombus containing exactly 4 numbers. A81496