Properties of the Number -20593

Twenty Thousand Five Hundred Ninety-Three

Basics

Value: -20594 → -20593 → -20592

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 20593

Divisors: 1, 20593

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101000001110001

Octal: -50161

Duodecimal: -BB01

Hexadecimal: -5071

Square: 424071649

Square Root: 143.50261321662404

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

Primes of form k² + k + 1. A2383

a(n) = largest prime factor of nⁿ - 1. A6486

Value of n-th cyclotomic polynomial at n. A70518

Smallest primitive prime factor of 12ⁿ-1. A252170

Primes p whose period of reciprocal equals (p-1)/11. A56216

Primes of the form 4·k² - 10·k + 7 with k positive. A73337

Primes of the form n² + n + 1 where n is nonprime. A185632

Primes of the form 1 + n + n² + n³ + ... + n^k, n > 1, k > 1 where n is not prime. A285017

Largest prime factor of 12ⁿ+1. A366720

a(n) = n⁴ - n² + 1. A60886

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