Properties of the Number 19882

Nineteen Thousand Eight Hundred Eighty-Two

Basics

Value: 19881 → 19882 → 19883

Parity: even

Prime: No

Previous Prime: 19867

Next Prime: 19889

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 9941

Divisors: 1, 2, 9941, 19882

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110110101010

Octal: 46652

Duodecimal: B60A

Hexadecimal: 4daa

Square: 395293924

Square Root: 141.00354605470034

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

a(n) is the number of divisors of n-th even perfect number. A61645

Pseudo-random numbers: a (very weak) pseudo-random number generator from the second edition of the C book. A61364

a(n) = 9·n² + 1. A247792

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 118", based on the 5-celled von Neumann neighborhood. A285908

Smallest squarefree integer k such that Q(sqrt(k)) has class number n. A81363

Values of n such that A080221(n)=6; i.e., values of n such that n is divisible by the sum of digits of n when expressed in exactly 6 of the bases b=1...n. A271311

Numbers m such that (1+i)^m - i is a Gaussian prime. A103329

a(n) = n³ + 73·n² + n + 67. A163303

Numbers k such that there are 14 primes between 100·k and 100·k + 99. A186406

Number of 3 X n 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, and rows and columns lexicographically nondecreasing. A229446