Properties of the Number -6683

Six Hundred Eighty-Three

Basics

Value: -6684 → -6683 → -6682

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 41 × 163

Divisors: 1, 41, 163, 6683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101000011011

Octal: -15033

Duodecimal: -3A4B

Hexadecimal: -1a1b

Square: 44662489

Square Root: 81.74961773610933

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

a(n) = n*(4·n-1). A33991

a(n) = least k such that the remainder when 19^k is divided by k is n. A128159

Number of B-trees of order infinity with n leaves, where a(n) = ∑_{k=1..floor(n/2)} a(k)*C(n-k-1,n-2·k) for n >= 2, with a(0)=0, a(1)=1. A119262

Composite numbers generated by the Euler polynomial x² + x + 41. A145292

Sum of the quadratic nonresidues of prime(n). A125615

Numbers n such that n²+n+41 (Euler's "prime generating polynomial") is not squarefree. A97823

Semiprimes generated by the Euler polynomial x² + x + 41. A228183

a(n) is the sum of quadratic nonresidues of A002145(n) (the n-th prime == 3 mod 4). A282036

In base 2: smallest integer which requires n 'Reverse and Add' steps to reach a palindrome. A66058

Expansion of 1 / ∏_n>=0 (1 - q⁵ⁿ⁺¹)*(1 - q⁵ⁿ⁺²)*(1 - q⁵ⁿ⁺⁴). A107235