Properties of the Number 26886

Twenty-Six Thousand Eight Hundred Eighty-Six

Basics

Value: 26885 → 26886 → 26887

Parity: even

Prime: No

Previous Prime: 26881

Next Prime: 26891

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4481

Divisors: 1, 2, 3, 6, 4481, 8962, 13443, 26886

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110100100000110

Octal: 64406

Duodecimal: 13686

Hexadecimal: 6906

Square: 722856996

Square Root: 163.9695093607345

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

Barely abundant numbers: abundant n such that σ(n)/n < σ(m)/m for all abundant numbers m<n, σ(n) being the sum of the divisors of n. A71927

Number of partitions p of n including ceiling(mean(p)) as a part. A241336

Expansion of ∏_k>=1 1/(1 - k·x^k²). A285245

E.g.f. satisfies: A(x) = x/(1 - sin(A(x))). A214222

E.g.f.: exp(2 * (exp(x) - 1 - x - x² / 2 - x³ / 6 - x⁴ / 24)). A339027

Number of rectangular standard Young tableaux with n cells. A67228

a(n) = floor((2ⁿ)/(2n-1)). A191631

Starting positions of strings of three 8's in the decimal expansion of π. A83637

a(n) = floor((-1 + 4ⁿ)/(-1 + 4·n)). A191640

a(n) = integer nearest π*a(n-1), where a(0) = 1. A95716