Properties of the Number 57686

Fifty-Seven Thousand Six Hundred Eighty-Six

Basics

Value: 57685 → 57686 → 57687

Parity: even

Prime: No

Previous Prime: 57679

Next Prime: 57689

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 28843

Divisors: 1, 2, 28843, 57686

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000101010110

Octal: 160526

Duodecimal: 29472

Hexadecimal: e156

Square: 3327674596

Square Root: 240.1790998400985

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

Number of Catalan paths (nonnegative, starting and ending at 0, step +-1) of 2·n steps with all values less than or equal to 7. A80938

Number of sets of exactly six nonempty words with a total of n letters over n-ary alphabet such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter. A293968

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 605", based on the 5-celled von Neumann neighborhood. A273177

Trajectory of 23 under the `23x+1' map: x -> x/p if p = least prime factor < 23, else x·23 + 1. A57686