Properties of the Number 28327

Twenty-Eight Thousand Three Hundred Twenty-Seven

Basics

Value: 28326 → 28327 → 28328

Parity: odd

Prime: No

Previous Prime: 28319

Next Prime: 28349

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 13 × 2179

Divisors: 1, 13, 2179, 28327

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111010100111

Octal: 67247

Duodecimal: 14487

Hexadecimal: 6ea7

Square: 802418929

Square Root: 168.30626845129686

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

E.g.f. A(x) satisfies A(x) = exp(x * (1+x³)² * A(x)). A389987

E.g.f. A(x) satisfies A(x) = exp( x/(1-x³)² * A(x) ). A390184

Numerators of continued fraction convergents to sqrt(60). A41104

Numerators of continued fraction convergents to sqrt(135). A41246

Numerators of continued fraction convergents to sqrt(540). A42032

Solutions·to the negative Pell equation x² - 15·y² = -11 with x, y > 0. A281584

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318339

Triangle read by rows: n-th row gives the number of pieces of size 1 X k required to build all free n-ominoes simultaneously, 1 <= k <= n. Long pieces are preferred over short ones. A364038

Elements in the even-Pascal triangle A028326 that are not 2. A28327

Number of (undirected) paths in the grid graph P₄ X P_n. A358800