Properties of the Number 81834

Eighty-One Thousand Eight Hundred Thirty-Four

Basics

Value: 81833 → 81834 → 81835

Parity: even

Prime: No

Previous Prime: 81817

Next Prime: 81839

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 23 × 593

Divisors: 1, 2, 3, 6, 23, 46, 69, 138, 593, 1186

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10011111110101010

Octal: 237652

Duodecimal: 3B436

Hexadecimal: 13faa

Square: 6696803556

Square Root: 286.0664258524583

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 words w of length n such that each letter of the ternary alphabet is used at least once and for every prefix z of w we have #(z,a_i) = 0 or #(z,a_i) >= #(z,a_j) for all j>i and #(z,a_i) counts the occurrences of the i-th letter in z. A321839

Decimal representation of the middle column of the "Rule 107" elementary cellular automaton starting with a single ON (black) cell. A267157

a(1)=1, a(n)=a(n-1)+4 if n is already in the sequence, a(n)=a(n-1)+3 otherwise. A81834