Properties of the Number 27228

Twenty-Seven Thousand Two Hundred Twenty-Eight

Basics

Value: 27227 → 27228 → 27229

Parity: even

Prime: No

Previous Prime: 27211

Next Prime: 27239

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 2269

Divisors: 1, 2, 3, 4, 6, 12, 2269, 4538, 6807, 9076

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101001011100

Octal: 65134

Duodecimal: 13910

Hexadecimal: 6a5c

Square: 741363984

Square Root: 165.00909065866645

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

G.f. satisfies A(x) = 1 + x·A(x) * (1 - A(x) + A(x)² - A(x)³ + A(x)⁴). A370472

a(1)=1. a(n+1) = ∑_k=1..n a(b(k,n)), where b(k,n) is the largest positive integer that, when written in binary, occurs as a substring in both binary k and binary n. A175491

a(n) = ∑_k=0..n (k+1) * A026747(n, n-k). A27228