Properties of the Number -6828

Eight Hundred Twenty-Eight

Basics

Value: -6829 → -6828 → -6827

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 569

Divisors: 1, 2, 3, 4, 6, 12, 569, 1138, 1707, 2276

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1101010101100

Octal: -15254

Duodecimal: -3B50

Hexadecimal: -1aac

Square: 46621584

Square Root: 82.63171304045439

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

Number of partitions of n in which each part, with the possible exception of the largest, occurs at least three times. A116932

Numbers k such that A003313(k) = A003313(3·k). A116459

Expansion of ∏_k>=1 1/(1-x^k+8)^k. A263364

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise. A238255

Expansion of ∏_{i>=1, j>=0} (1 + x^{i·8^j}). A393565

Discriminants of real quadratic number fields K with class number 2 such that the Hilbert class field of K is K(sqrt(3)). A52477

Coefficient of q¹ in ν(n), where ν(0)=1, ν(1)=b and, for n>=2, ν(n)=b*ν(n-1)+λ*(1+q+q²+...+q^n-2)*ν(n-2) with (b,λ)=(2,1). A74084

Numbers k such that ∑_j=1..k τ(j)^j == 0 (mod k), where τ(j) = A000005(j), the number of divisors of j. A229207

Number of partitions p of n such that (number of even numbers in p) >= 2*(number of odd numbers in p). A241644

Sum of n-th antidiagonal of array in A081998. A82001