Properties of the Number -28559

Twenty-Eight Thousand Five Hundred Fifty-Nine

Basics

Value: -28560 → -28559 → -28558

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 28559

Divisors: 1, 28559

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111110001111

Octal: -67617

Duodecimal: -1463B

Hexadecimal: -6f8f

Square: 815616481

Square Root: 168.99408273664494

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 the form k² - 2. A28871

Frobenius number of the numerical semigroup generated by 3 consecutive triangular numbers. A69755

Lengths of the B blocks in analysis of A090822. A91411

Primes of the form 2·n² + 2·n - 1. A98828

Let A(n) = #{(i,j): i² + j² <= n}, V(n) = π*n, P(n) = A(n) - V(n); sequence gives values of n where |P(n)| sets a new record. A99

Smallest prime p such that n is a solution mod p of x⁴ = 2, or 0 if no such prime exists. A65902

Primes p of form q^k-2 where q is also a prime and k > 1. A53705

Primes of the form (p² - 3)/2 where p is also prime. A165635

a(n) = 2·a(n-1) - a(n-2) - a(n-4). A131041

Primes of the form : (p-n)/(n+1)=prime and (n+1)*p+n=prime. n=4. A152294