Properties of the Number 27842

Twenty-Seven Thousand Eight Hundred Forty-Two

Basics

Value: 27841 → 27842 → 27843

Parity: even

Prime: No

Previous Prime: 27827

Next Prime: 27847

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 13921

Divisors: 1, 2, 13921, 27842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110110011000010

Octal: 66302

Duodecimal: 14142

Hexadecimal: 6cc2

Square: 775176964

Square Root: 166.85922210054798

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

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 78", based on the 5-celled von Neumann neighborhood. A278788

Numbers n such that 3·10ⁿ + 8·R_n + 1 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A102980

Expansion of η(q⁶)³ * η(q¹⁰)³ / (η(q²) * η(q³)² * η(q⁵)² * η(q³⁰)) in powers of q. A257632

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood. A270679

Number of subgroups of index n in fundamental group of a certain fiber space. A27842