Properties of the Number 80861

Eighty Thousand Eight Hundred Sixty-One

Basics

Value: 80860 → 80861 → 80862

Parity: odd

Prime: No

Previous Prime: 80849

Next Prime: 80863

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 11 × 7351

Divisors: 1, 11, 7351, 80861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101111011101

Octal: 235735

Duodecimal: 3A965

Hexadecimal: 13bdd

Square: 6538501321

Square Root: 284.3606864529624

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

E.g.f. satisfies A(x) = exp(x·A(x)² * (1 + x·A(x))²). A365033

a(n) = 15·n² + 6·n + 1. A80861

Number of nX3 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX3 array. A219910