Properties of the Number 28322

Twenty-Eight Thousand Three Hundred Twenty-Two

Basics

Value: 28321 → 28322 → 28323

Parity: even

Prime: No

Previous Prime: 28319

Next Prime: 28349

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 17 ²

Divisors: 1, 2, 7, 14, 17, 34, 49, 98, 119, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111010100010

Octal: 67242

Duodecimal: 14482

Hexadecimal: 6ea2

Square: 802135684

Square Root: 168.2914139223983

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

One of the two successive approximations up to 13ⁿ for 13-adic integer sqrt(-1). Here the 8 (mod 13) case (except for n=0). A286841

Numbers k such that (2·k)!/(2*(k!)²)+1 is prime. A112863

Numbers k such that k¹² == 1 (mod 13⁴). A56095

The sequence M(n) in A022905. A22908

Numbers n such that n² is divisible by the sum of the distinct prime divisors of n² + 1. A196219

Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals five. A288544

a(n) is the smallest positive integer k such that 3ⁿ - 2 divides 3^{n + k} + 2, or 0 if there is no such k. A298940

Central elements in the 5-Pascal triangle A028313. A28322

G.f. A(x) satisfies: 0 = [x^n-1] (x·A(x))' / (1 + x·A(x)ⁿ)ⁿ for n>1. A303558