Properties of the Number 27605

Twenty-Seven Thousand Six Hundred Five

Basics

Value: 27604 → 27605 → 27606

Parity: odd

Prime: No

Previous Prime: 27583

Next Prime: 27611

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 5521

Divisors: 1, 5, 5521, 27605

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101111010101

Octal: 65725

Duodecimal: 13B85

Hexadecimal: 6bd5

Square: 762036025

Square Root: 166.14752480852673

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) = 4·a(n-1)-2·a(n-2)-3·a(n-3)+2·a(n-4), n>5. A107299

G.f. A(x) satisfies: [xⁿ] A( x/A(x)^n² ) = 0 for n>1. A292394

Number of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 1 1 vertically. A207349

Sum of two cubes in 4 ways involving at least one sum of coprime cubes. A27605