Properties of the Number 50805

Fifty Thousand Eight Hundred Five

Basics

Value: 50804 → 50805 → 50806

Parity: odd

Prime: No

Previous Prime: 50789

Next Prime: 50821

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 5 × 1129

Divisors: 1, 3, 5, 9, 15, 45, 1129, 3387, 5645, 10161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011001110101

Octal: 143165

Duodecimal: 25499

Hexadecimal: c675

Square: 2581148025

Square Root: 225.39964507514205

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 that are palindromic and divisible by 5. A43040

Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957. A337644

Numbers n such that n and φ(n) are both palindromes. A69747

Palindromes of the form i² + reverse(i)². A256398

Nontrivial palindromes k such that φ(k) is also a palindrome. A67723

a(n) = floor(10ⁿ/3ⁿ). A94977

Floor((n+1/n)⁹). A197710

Round((n+1/n)⁹). A198074

Number of length n+2 0..6 arrays with no three unequal elements in a row and no three equal elements in a row and new values 0..6 introduced in 0..6 order. A243725

Palindromes of the form 4n + 1 that are divisible by 5. A256704