Properties of the Number 20328

Twenty Thousand Three Hundred Twenty-Eight

Basics

Value: 20327 → 20328 → 20329

Parity: even

Prime: No

Previous Prime: 20327

Next Prime: 20333

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 11 ²

Divisors: 1, 2, 3, 4, 6, 7, 8, 11, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101101000

Octal: 47550

Duodecimal: B920

Hexadecimal: 4f68

Square: 413227584

Square Root: 142.57629536497294

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 possible rook moves on an n X n chessboard. A35006

Antidiagonal sums of the triangle A120070. A143785

Triangular array of generalized Narayana numbers: T(n, k) = 4·binomial(n+1, k+3)*binomial(n+1, k-1)/(n+1). A145598

Greatest number m such that the fractional part of (10/9)^A153694(n) <= 1/m. A153698

Number of permutations of n letters where exactly 5 change position. A60836

a(n) = 11·n² + 22·n. A67705

Permutations with exactly 6 fixed points. A129136

a(n) = 1728·n - 408. A157266

Numbers k such that A007913(k) divides σ(k) and A008833(k)-1 either divides A326127(k) (= σ(k)-core(k)-k), or both are zero. A336641

Expansion of ∏_m>=1 (1 - m·q^m)³. A22663