Properties of the Number -6242

Two Hundred Forty-Two

Basics

Value: -6243 → -6242 → -6241

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 3121

Divisors: 1, 2, 3121, 6242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001100010

Octal: -14142

Duodecimal: -3742

Hexadecimal: -1862

Square: 38962564

Square Root: 79.00632886041473

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

Centered square numbers: a(n) = 4·n² + 4·n + 2. A69894

Semiprimes of the form k²+1. A144255

a(n) = prime(n)² + 1. A66872

Positions of 2's in A264977; positions of 3's in A277330. A277712

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 0,1,1,0,0 for x=0,1,2,3,4. A197317

Positions where A163890 obtains distinct new values. A163891

The smallest numbers of every class in a classification of positive numbers (see comment). A247395

"Magic" integers: a(n+1) is the smallest integer m such that there is no overlap between the sets {m, m-a(i), m+a(i): 1 <= i <= n} and {a(i), a(i)-a(j), a(i)+a(j): 1 <= j < i <= n}. A4210

Record values of A163894. A163896

Expansion of q^-1/3 * a(q)² * c(q) / 3 in powers of q where a(), c() are cubic AGM θ functions. A231947