Properties of the Number -28682

Twenty-Eight Thousand Six Hundred Eighty-Two

Basics

Value: -28683 → -28682 → -28681

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: Yes

Factorization: 2 × 14341

Divisors: 1, 2, 14341, 28682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -111000000001010

Octal: -70012

Duodecimal: -14722

Hexadecimal: -700a

Square: 822657124

Square Root: 169.3576098083579

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

Palindromes with exactly 2 palindromic prime factors (counted with multiplicity), and no other prime factors. A46376

"Ceiling of hypotenuses": a(n) = ceiling(sqrt(a(n-1)² + a(n-2)²)), a(1)=1, a(2)=3. A104805

Palindromes with exactly 2 distinct palindromic prime factors. A46408

Third entry in row n of triangle in A169945. A169947

Number of parts in all proper twice partitions of n. A328042

Number of (w,x,y,z) with all terms in {0,...,n} and |w-x|<|x-y|<|y-z|. A212902

a(n) = F(n+3) + c(n) where F(k) is k-th Fibonacci number and c(n) is n-th number that is 1 or 2 or is not a Fibonacci number. A22809

Palindromic even lucky numbers. A45960

Palindromic Ulam numbers. A173542

a(n) = b(n) + d(n), where b(n) = (n-th Fibonacci number > 2) and d(n) = (n-th number that is 1 or is not a Lucas number). A23496