Properties of the Number -286824

Two Hundred Eighty-Six Thousand Eight Hundred Twenty-Four

Basics

Value: -286825 → -286824 → -286823

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 17 × 19 × 37

Divisors: 1, 2, 3, 4, 6, 8, 12, 17, 19, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1000110000001101000

Octal: -1060150

Duodecimal: -119BA0

Hexadecimal: -46068

Square: 82268006976

Square Root: 535.5595205016899

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) = binomial(n+6,6)*(2n+7)/7. A50486

Number of permutations p of [n] such that the sequence of ascents and descents of p is encoded by the 0's and 1's, respectively, in the binary expansion of n (read from right to left and using leading 0's if necessary). A335308

Partial sums of A051877. A50403

Convolution square of A058187, the tetrahedral series with repeats. A178440

a(n) = binomial(3·n,n)*(5·n+2)/(2·n+1). A249691

Distinct even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row). A46589

Number of ways to select 15 knights from n knights sitting at a round table if no adjacent knights are chosen. A188225

a(n) = a(n-1) + a(n-3), with a(0) = 1, a(1) = 4, a(2) = 8. A385633