Properties of the Number -67584

Sixty-Seven Thousand Five Hundred Eighty-Four

Basics

Value: -67585 → -67584 → -67583

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ¹¹ × 3 × 11

Divisors: 1, 2, 3, 4, 6, 8, 11, 12, 16, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000100000000000

Octal: -204000

Duodecimal: -33140

Hexadecimal: -10800

Square: 4567597056

Square Root: 259.96922894835075

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

Triangle T(n, k) = binomial(2·n-k, k)*(-4)^n-k, read by rows. A117438

a(n) = n*(n+1)*2^n-2. A1788

13-almost primes (generalization of semiprimes). A69274

Number of subsets of {1..n} such that it is possible to choose a different prime factor of each element. A370582

Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having k ddu's [here u = (1,1) and d = (1,-1)]. A91894

Triangle read by rows: T(n,k) = number of AVL trees of height n with k (leaf-) nodes, n>=0, fibonacci(n+2)<=k<=2ⁿ. A143897

Second differences of even superperfect numbers A061652, divided by 2. A139237

E.g.f.: log((1+x) / (1-x)) / (2*(1-x)). A81358

Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10. A195069

T(n,k)=Rolling cube face footprints: number of nXk 0..5 arrays starting with 0 where 0..5 label faces of a cube and every array movement to a horizontal, diagonal or antidiagonal neighbor moves across a corresponding cube edge. A223269