Properties of the Number 83808

Eighty-Three Thousand Eight Hundred Eight

Basics

Value: 83807 → 83808 → 83809

Parity: even

Prime: No

Previous Prime: 83791

Next Prime: 83813

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ³ × 97

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100011101100000

Octal: 243540

Duodecimal: 40600

Hexadecimal: 14760

Square: 7023780864

Square Root: 289.4961139635557

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 ways to place 3 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line. A279437

Form a conjugate partition of row with 1+1+1 in first row. all other rows are the union of their parents. a(n) = number of types of piles in the n-th row. A64480

Numbers such that the largest prime factor equals the sum of the 4th power of the other prime factors. A244344

G.f. A(x) satisfies: [xⁿ] (1 + n·x - A(x))^2·n-1 = 0, for n > 0. A338328

Number of (n+1) X (6+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235276

Smallest prime == 1 (mod n-th unary number U(n) = (10ⁿ-1)/9). A83808

Garel's separator length for position n of the Thue-Morse sequence (A010060). A336168