Properties of the Number 80591

Eighty Thousand Five Hundred Ninety-One

Basics

Value: 80590 → 80591 → 80592

Parity: odd

Prime: No

Previous Prime: 80567

Next Prime: 80599

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 29 × 397

Divisors: 1, 7, 29, 203, 397, 2779, 11513, 80591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101011001111

Octal: 235317

Duodecimal: 3A77B

Hexadecimal: 13acf

Square: 6494909281

Square Root: 283.8855403151066

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

a(n) = ∑_k=1..n (k²*floor(k/2)). A285188

a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is congruent to 3 mod 4". A80591