Properties of the Number -68692

Sixty-Eight Thousand Six Hundred Ninety-Two

Basics

Value: -68693 → -68692 → -68691

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 13 × 1321

Divisors: 1, 2, 4, 13, 26, 52, 1321, 2642, 5284, 17173

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000110001010100

Octal: -206124

Duodecimal: -33904

Hexadecimal: -10c54

Square: 4718590864

Square Root: 262.09158704544484

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

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order. A205753

Number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order. A205751

Number of 3X(n+1) 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order. A205754

a(n) = n! * ∑_k=0..n k^2·k/k!. A356691