Properties of the Number 80881

Eighty Thousand Eight Hundred Eighty-One

Basics

Value: 80880 → 80881 → 80882

Parity: odd

Prime: No

Previous Prime: 80863

Next Prime: 80897

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 29 × 2789

Divisors: 1, 29, 2789, 80881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101111110001

Octal: 235761

Duodecimal: 3A981

Hexadecimal: 13bf1

Square: 6541736161

Square Root: 284.3958508839396

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 intersections of diagonals in the interior of a regular n-gon. A6561

Number of partitions of n into 10 parts such that every i-th smallest part (counted with multiplicity) is different from i. A244246

a(n)*a(n+3) - a(n+1)*a(n+2) = 2ⁿ, given a(0)=1, a(1)=2, a(2)=10. A80881