Properties of the Number 39842

Thirty-Nine Thousand Eight Hundred Forty-Two

Basics

Value: 39841 → 39842 → 39843

Parity: even

Prime: No

Previous Prime: 39841

Next Prime: 39847

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 1811

Divisors: 1, 2, 11, 22, 1811, 3622, 19921, 39842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101110100010

Octal: 115642

Duodecimal: 1B082

Hexadecimal: 9ba2

Square: 1587384964

Square Root: 199.60460916521941

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal. A237745

a(0)=1; a(n) = sum of all previous terms, eliminating repeated digits (starting from the left). A370748

Number of (n+2)X(2+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal. A237741

Number of (n+2)X(3+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal. A237742

Number of partitions satisfying cn(0,5) < cn(1,5) + cn(4,5). A39842