Properties of the Number -42810

Forty-Two Thousand Eight Hundred Ten

Basics

Value: -42811 → -42810 → -42809

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 1427

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 1427, 2854

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011100111010

Octal: -123472

Duodecimal: -20936

Hexadecimal: -a73a

Square: 1832696100

Square Root: 206.9057756564567

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 nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns. A221609

Numbers n such that 54 'Reverse and Add' steps are needed to reach a palindrome. A65321

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 3, and a(3) = 2. A49923

σ(n)-n values in A085844. A216383

Number of n X 3 arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns. A221604

Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, without move-in move-out left turns. A221615