Properties of the Number 81159

Eighty-One Thousand One Hundred Fifty-Nine

Basics

Value: 81158 → 81159 → 81160

Parity: odd

Prime: No

Previous Prime: 81157

Next Prime: 81163

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 13 × 2081

Divisors: 1, 3, 13, 39, 2081, 6243, 27053, 81159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110100000111

Octal: 236407

Duodecimal: 3AB73

Hexadecimal: 13d07

Square: 6586783281

Square Root: 284.8841869953473

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

Sum of Fibonacci (A000045) and Pell (A000129) numbers. A1932

Number of 0..n arrays x(0..4) of 5 elements with nondecreasing average value and 0..n occur with instance counts within one of each other. A200944

Number of even cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164. A81159