Properties of the Number 9802

Nine Thousand Eight Hundred Two

Basics

Value: 9801 → 9802 → 9803

Parity: even

Prime: No

Previous Prime: 9791

Next Prime: 9803

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 13 ² × 29

Divisors: 1, 2, 13, 26, 29, 58, 169, 338, 377, 754

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011001001010

Octal: 23112

Duodecimal: 580A

Hexadecimal: 264a

Square: 96079204

Square Root: 99.00505037623081

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

Coordination sequence for body-centered tetragonal lattice. A8527

Generalized 30-gonal (or triacontagonal) numbers: m*(14·m - 13) with m = 0, +1, -1, +2, -2, +3, -3, ... A316729

Numbers n such that n concatenated with n-1 is a square. A54214

Dirichlet g.f.: ∏_k>=2 1 / (1 - k^-s)^k². A329125

Numbers of the form (square + 1) that are not squarefree. A124809

Numbers such that the two adjacent integers are a perfect square and a prime. A163492

Numbers of the form m² + 1 that can be expressed in more than one way as j² + k² with j > k > 1. A299708

Cancellation factor in reducing ∑_k=0...n n^k/k! to lowest terms. A214402

a(n) = 9·n² + 1. A247792

Binary-ternary Wedderburn-Etherington numbers. A268172