Properties of the Number 28394

Twenty-Eight Thousand Three Hundred Ninety-Four

Basics

Value: 28393 → 28394 → 28395

Parity: even

Prime: No

Previous Prime: 28393

Next Prime: 28403

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 14197

Divisors: 1, 2, 14197, 28394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111011101010

Octal: 67352

Duodecimal: 14522

Hexadecimal: 6eea

Square: 806219236

Square Root: 168.50519279832298

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 subsets of {1..n} containing two distinct elements summing to n. A365544

Pseudo-random numbers: a (very weak) pseudo-random number generator from the second edition of the C book. A61364

a(n) = 2·a(n-1)+3·a(n-2)-6·a(n-3) starting a(0)=a(1)=0, a(2)=1. A167762

Number of subsets of {1..n} with two elements (possibly the same) summing to n. A366131

Counts compositions as described by table A047969; however, only those ending with an odd part are considered. A123685

a(n) = 2ⁿ - (1 - (-1)ⁿ)*3^(n-1/2). A167784

Bisection of A006950 (the even part). A233758

Nonnegative numbers k such that 3·k + 2 is a cube. A287335

a(0) = 1, a(n) = 42·n² + 2 for n>0. A10023

n + σ(n) + φ(n) is a cube. A116008