Properties of the Number 8320

Eight Thousand Three Hundred Twenty

Basics

Value: 8319 → 8320 → 8321

Parity: even

Prime: No

Previous Prime: 8317

Next Prime: 8329

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ⁷ × 5 × 13

Divisors: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010000000

Octal: 20200

Duodecimal: 4994

Hexadecimal: 2080

Square: 69222400

Square Root: 91.21403400793103

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 permutations p of [n] satisfying i-2 <= p(i) <= i+4 for all i in [n]. A72850

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3.6.3.6 2D tiling (cf. A008579). A299256

Numbers that are divisible by exactly 9 primes with multiplicity. A46312

Array read by descending antidiagonals: T(n,k) is the number of unoriented strings with n beads of k or fewer colors. A277504

Numbers that are the sum of 4 positive 6th powers. A3360

a(n) = 4·n*(2·n + 1). A33586

Number of cyclic arrangements of S={1,2,...,n} such that the difference between any two neighbors is at least 4. A242524

Number of types of Boolean functions of n variables under a certain group. A28403

Expansion of 1/(1-2·x-2·x²+2·x³). A77937

Number of reversible strings with n beads of 4 colors. A32121