Properties of the Number 80321

Eighty Thousand Three Hundred Twenty-One

Basics

Value: 80320 → 80321 → 80322

Parity: odd

Prime: No

Previous Prime: 80317

Next Prime: 80329

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 31 × 2591

Divisors: 1, 31, 2591, 80321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100111000001

Octal: 234701

Duodecimal: 3A595

Hexadecimal: 139c1

Square: 6451463041

Square Root: 283.4095975791928

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

Cyclotomic polynomials Phi_n at x=φ, rounded to nearest integer (where φ = τ = (sqrt(5)+1)/2). A63705

Cyclotomic polynomials Phi_n at x=φ, ceiled up (where φ = τ = (sqrt(5)+1)/2). A63707

Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with every one adjacent to exactly 1 other one. A153984

a(n) = A080301(A080318(n)). A80321