Properties of the Number 39801

Thirty-Nine Thousand Eight Hundred One

Basics

Value: 39800 → 39801 → 39802

Parity: odd

Prime: No

Previous Prime: 39799

Next Prime: 39821

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13267

Divisors: 1, 3, 13267, 39801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101101111001

Octal: 115571

Duodecimal: 1B049

Hexadecimal: 9b79

Square: 1584119601

Square Root: 199.50187969039288

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

G.f.: (1 + 5·x + 5·x² + x³)/∏_i=1..10 (1 - xⁱ). A256977

Number of nX5 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A297956

Intersection of A002061 and A016105. A370519

Number of base 31 circular n-digit numbers with adjacent digits differing by 3 or less. A125341

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A297959

Column 2 of Inverse partition triangle A038498. A39801