Properties of the Number 80884

Eighty Thousand Eight Hundred Eighty-Four

Basics

Value: 80883 → 80884 → 80885

Parity: even

Prime: No

Previous Prime: 80863

Next Prime: 80897

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 73 × 277

Divisors: 1, 2, 4, 73, 146, 277, 292, 554, 1108, 20221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101111110100

Octal: 235764

Duodecimal: 3A984

Hexadecimal: 13bf4

Square: 6542221456

Square Root: 284.40112517358295

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) = numerator(∑_k=1..n 1/P(k)), where P(k) = A006530(k) is the greatest prime dividing k for k >= 2, and P(1) = 1. A378678

The same as A166461 except for a(1)=43. A166491

Sum of (0,1) versions of Thue-Morse word (A010060) and Fibonacci word (A003849). A80884