Properties of the Number 28563

Twenty-Eight Thousand Five Hundred Sixty-Three

Basics

Value: 28562 → 28563 → 28564

Parity: odd

Prime: No

Previous Prime: 28559

Next Prime: 28571

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 9521

Divisors: 1, 3, 9521, 28563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111110010011

Octal: 67623

Duodecimal: 14643

Hexadecimal: 6f93

Square: 815844969

Square Root: 169.00591705617884

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

Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1. A96025

Semiprimes p such that next semiprime after p is p+20. A217335

a(n) = 13ⁿ + 2. A153079

a(n) = 10·a(n-3) - a(n-6) + 4 for n>5, a(0)=2, a(1)=3, a(2)=5, a(3)=12, a(4)=29, a(5)=51. A233231

Numbers of the form 13^2ⁿ + 2. A152586

a(n) = n*(n+7). A28563