Properties of the Number 57784

Fifty-Seven Thousand Seven Hundred Eighty-Four

Basics

Value: 57783 → 57784 → 57785

Parity: even

Prime: No

Previous Prime: 57781

Next Prime: 57787

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 31 × 233

Divisors: 1, 2, 4, 8, 31, 62, 124, 233, 248, 466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000110111000

Octal: 160670

Duodecimal: 29534

Hexadecimal: e1b8

Square: 3338990656

Square Root: 240.38302768706447

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) = (n-1)*(n-2)*(n²+9·n+12)/24. A323847

3-apexes of ω: numbers k such that ω(k-3) < ω(k-2)< ω(k-1) < ω(k) > ω(k+1) > ω(k+2) > ω(k+3), where ω(m) = the number of prime factors of m, counting multiplicity. A76760

G.f. satisfies A(x) = 1 + x·A(x)² + x²*A(x)⁴ + x³*A(x)⁶. A186241

Number of polypons with n cells. A57784