Properties of the Number 56584

Fifty-Six Thousand Five Hundred Eighty-Four

Basics

Value: 56583 → 56584 → 56585

Parity: even

Prime: No

Previous Prime: 56569

Next Prime: 56591

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 11 × 643

Divisors: 1, 2, 4, 8, 11, 22, 44, 88, 643, 1286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101110100001000

Octal: 156410

Duodecimal: 288B4

Hexadecimal: dd08

Square: 3201749056

Square Root: 237.87391618250203

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

Integers that are Rhonda numbers to base 18. A255735

Number of (4+1)X(n+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically. A253701

Number of length-5 0..n arrays with no repeated value differing from the previous repeated value by one or less. A269608

Numbers k such that Bernoulli number B_k has denominator 61410. A295591

T(n,k)=Number of length-n 0..k arrays with no repeated value differing from the previous repeated value by one or less. A269606

Solution to (n²/a(n))^a(n) = gcd(nⁿ, ∏_k<n k^k) where a(n) and n²/a(n) are integers, or 0 if no such integers exist. A56584

Decimal expansion of Madelung constant (negated) for zinc sulfide ZnS. A182566

Smallest semiprime, sp, such that 2n - sp is a semiprime, or a(n)=0 if there is no such sp. A241656