Properties of the Number 20282

Twenty Thousand Two Hundred Eighty-Two

Basics

Value: 20281 → 20282 → 20283

Parity: even

Prime: No

Previous Prime: 20269

Next Prime: 20287

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 10141

Divisors: 1, 2, 10141, 20282

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100111100111010

Octal: 47472

Duodecimal: B8A2

Hexadecimal: 4f3a

Square: 411359524

Square Root: 142.414886862294

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

The second rank moment function N₂(n). A220908

Number of partitions of 5n into 5 parts. A256225

Sum of n-th row of triangle in A082196. A82199

Number of points on surface of dodecahedron: a(n) = 30·n² + 2 for n > 0. A5903

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted then there are a pair of central terms both equal to 9. A31422

Binomial transform of Fredholm-Rueppel sequence. A119968

Number of partitions of 4n into at most 5 parts. A256539

Strong pseudoprimes to base 56. A20282

Number of (n+1)X2 0..6 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) such that rows of b(i,j) and columns of c(i,j) are lexicographically nondecreasing. A203909

Expansion of g.f. A(x) satisfying A(x)² = A(A( x·A(x) + x·A(x)² )). A372577