Properties of the Number -3286

Two Hundred Eighty-Six

Basics

Value: -3287 → -3286 → -3285

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 31 × 53

Divisors: 1, 2, 31, 53, 62, 106, 1643, 3286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011010110

Octal: -6326

Duodecimal: -1A9A

Hexadecimal: -cd6

Square: 10797796

Square Root: 57.323642591866054

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

G.f.: (1 - x/(1 - x²/(1 - x³/(1 - x⁴/(1 - ...))))) / (1 + x/(1 + x²/(1 + x³/(1 + x⁴/(1 + ...))))), a continued fraction. A285635

9-gonal (or enneagonal or nonagonal) numbers: a(n) = n*(7·n-5)/2. A1106

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 5 6 or 7. A252574

Number of stable n-celled patterns ("still lifes") in Conway's Game of Life, up to rotation and reflection. A19473

a(n) = A063416(n)/7. A88409

Values of k for which A075059(k) = A003418(k) + 1 is prime. A49537

Conjectured list of numbers whose aliquot sequence eventually reaches a cycle of length two or more. A121507

Consider the 10's complements mod 10 of the digits of a number k. Take their sum and repeat the process deleting the first addend and adding the previous sum. The sequence lists the numbers that after some iterations reach a sum equal to k. A263534

Number of maximal subsets of {1..n} containing n such that every subset has a different sum. A325867

n times n+1 gives the concatenation of two numbers m and m+2. A116301