Properties of the Number 11882

Eleven Thousand Eight Hundred Eighty-Two

Basics

Value: 11881 → 11882 → 11883

Parity: even

Prime: No

Previous Prime: 11867

Next Prime: 11887

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 13 × 457

Divisors: 1, 2, 13, 26, 457, 914, 5941, 11882

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10111001101010

Octal: 27152

Duodecimal: 6A62

Hexadecimal: 2e6a

Square: 141181924

Square Root: 109.00458705944443

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) = prime(n)² + 1. A66872

T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3 or 4 king-move adjacent elements, with upper left element zero. A297866

The smallest numbers of every class in a classification of positive numbers (see comment). A247395

Expansion of q^-1/3 * a(q)² * c(q) / 3 in powers of q where a(), c() are cubic AGM θ functions. A231947

First result not divisible by 4 when iterating k -> k+τ(k) from 2(2n-1)². A165495

(1/4) * number of ways to select 3 distinct points forming a triangle of unsigned area = n/2 from a square of grid points with side length n. A320310

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and -1<=2w+x+y<=1. A211620

From random walks on complete directed triangle. A7829

Numbers k such that average of prime(k) and prime(k+1) is a perfect square. A76692

Numbers k such that k and k² use only the digits 1, 2, 4, 8 and 9. A137000