Properties of the Number 27641

Twenty-Seven Thousand Six Hundred Forty-One

Basics

Value: 27640 → 27641 → 27642

Parity: odd

Prime: No

Previous Prime: 27631

Next Prime: 27647

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 131 × 211

Divisors: 1, 131, 211, 27641

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110101111111001

Octal: 65771

Duodecimal: 13BB5

Hexadecimal: 6bf9

Square: 764024881

Square Root: 166.2558269655533

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

Golden semiprimes: a(n)=p·q and abs(p*φ-q)<1, where φ = golden ratio = (1+sqrt(5))/2. A108540

Positions of incrementally largest terms in continued fraction for Copeland-Erdős constant. A224890

a(n) = T(8,n), array T given by A047858. A48469

Numerator of Bernoulli number B_n. A27641