Properties of the Number 8347

Eight Thousand Three Hundred Forty-Seven

Basics

Value: 8346 → 8347 → 8348

Parity: odd

Prime: No

Previous Prime: 8329

Next Prime: 8353

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 17 × 491

Divisors: 1, 17, 491, 8347

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010011011

Octal: 20233

Duodecimal: 49B7

Hexadecimal: 209b

Square: 69672409

Square Root: 91.36191766814004

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=0..n C(n-k,4·k). A5676

Left diagonal of partition triangle A047812. A7042

T(n,k) = Number of n X k 0..1 arrays with each 1 adjacent to 1, 2 or 4 king-move neighboring 1's. A296739

a(n) = ∑_{k=0..floor(n/2)} binomial(k,2*(n-2·k)). A392250

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A295949

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 197", based on the 5-celled von Neumann neighborhood. A279754

Number of compositions of 5·n-2 into parts 4 and 5. A369850

First differences give (essentially) A028242. A35107

Numerators of the partial alternating sums of the reciprocals of the Dedekind ψ function (A001615). A357820

Lucky numbers with size of gaps equal to 16 (upper terms). A31899