Properties of the Number -20108

Twenty Thousand One Hundred Eight

Basics

Value: -20109 → -20108 → -20107

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 457

Divisors: 1, 2, 4, 11, 22, 44, 457, 914, 1828, 5027

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111010001100

Octal: -47214

Duodecimal: -B778

Hexadecimal: -4e8c

Square: 404331664

Square Root: 141.80267980542538

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

Numbers k such that 8·10^k - 49 is prime. A271269

Expansion of 1/(1 - x - x² + x⁴ - x⁶). A117791

Numbers n such that Bernoulli number B_n has denominator 690. A272186

Numbers m such that 2^m reversed is prime. A57708

a(n) is the number of integer partitions of n for which the greatest part minus the least part is equal to the index of the seaweed algebra formed by the integer partition paired with its weight. A318176

Unicode codes for the Han digits. A61745

Numbers with digit sum 11 that are multiples of 11. A283742

a(n) = number of partitions p of n such that the least multiplicity of the parts of p is not a part of p. A365615

Multiples of 11 with digit sum 11, with no zero digits in odd places. A83512

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood. A271463