Properties of the Number 52828

Fifty-Two Thousand Eight Hundred Twenty-Eight

Basics

Value: 52827 → 52828 → 52829

Parity: even

Prime: No

Previous Prime: 52817

Next Prime: 52837

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 47 × 281

Divisors: 1, 2, 4, 47, 94, 188, 281, 562, 1124, 13207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100111001011100

Octal: 147134

Duodecimal: 266A4

Hexadecimal: ce5c

Square: 2790797584

Square Root: 229.8434249657797

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

Array read by antidiagonals: T(n,k) is the number of (planar) unlabeled k-ary cacti having n polygons. A303912

Number of unlabeled 4-ary cacti having n polygons. A52394

a(n) = 836·2ⁿ - 676. A305272

Expansion of the series 1/e(-q), where the series e(q) is Morier-Genoud and Ovsienko's q-analog of the real number e = exp(1). A392021

a(n) = A192525(n)/2. A192526

Number of nX2 0..7 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201095

Inverse Euler transform of the classical tribonacci numbers. A349977

A simple grammar: union of cycles and cycles of cycles. A52828