Properties of the Number 28469

Twenty-Eight Thousand Four Hundred Sixty-Nine

Basics

Value: 28468 → 28469 → 28470

Parity: odd

Prime: No

Previous Prime: 28463

Next Prime: 28477

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 7 ³ × 83

Divisors: 1, 7, 49, 83, 343, 581, 4067, 28469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111100110101

Octal: 67465

Duodecimal: 14585

Hexadecimal: 6f35

Square: 810483961

Square Root: 168.7275911047153

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

Matrix log of triangle A111830, which shifts columns left and up under matrix 7th power; these terms are the result of multiplying each element in row n and column k by (n-k)!. A111833

Number of binary trees of path length n. A95830

Starting index of a string of 4 or more consecutive equal digits in decimal expansion of π. A49516

Starting positions of strings of three 3's in the decimal expansion of π. A83610

Coefficients in the series (1 + x² + x³ + x⁵ + x⁷ + x¹¹ + x¹³ + ... )/(1 - x - x⁴ - x⁶ - x⁸ - x⁹ - x¹⁰ - x¹² - x¹⁴ - ... ). A58355

Numbers k such that (5·10^k + 91) / 3 is prime. A275020

Number of perfect matchings in graph P₇ X P_2n. A28469