Properties of the Number -27842

Twenty-Seven Thousand Eight Hundred Forty-Two

Basics

Value: -27843 → -27842 → -27841

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

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

Today's Target

7925 Try Today's Challenge

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