Properties of the Number -66958

Sixty-Six Thousand Nine Hundred Fifty-Eight

Basics

Value: -66959 → -66958 → -66957

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 33479

Divisors: 1, 2, 33479, 66958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10000010110001110

Octal: -202616

Duodecimal: -328BA

Hexadecimal: -1058e

Square: 4483373764

Square Root: 258.76243931451876

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) = ∑_k=1..n k·sigma₃(k). A356126

Number of nX2 0..1 arrays with no 1 equal to more than three of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements. A283516

Numbers k such that k-th and (k+1)-st term of A038593 differ by 5. A38636