Properties of the Number 20298

Twenty Thousand Two Hundred Ninety-Eight

Basics

Value: 20297 → 20298 → 20299

Parity: even

Prime: No

Previous Prime: 20297

Next Prime: 20323

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 17 × 199

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 199, 398

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101001010

Octal: 47512

Duodecimal: B8B6

Hexadecimal: 4f4a

Square: 412008804

Square Root: 142.47104969080561

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

Expansion of 1/((1-x)*(1-x²)*(1-x³)*(1-x⁴))². A117486

Max_k=0..n { Number of partitions of n into exactly k parts }. A2569

Number of partitions of n into at most 11 parts. A8640

Numbers n such that n²⁰⁴⁸ + (n+1)²⁰⁴⁸ is prime. A274235

a(n) is the number of edges formed by n-secting the angles of a hexagon. A335735

Molien series for A₁₁. A8634

Restricted permutations. A36999

Polynomial (1/3)*n³ + (9/2)*n² + (85/6)*n - 2. A73775

G.f. A(x) satisfies: A(x) = 1 + x * (A(x) + 4·x*A'(x)) / (A(x) + x·A'(x)). A302101

a(n) = ∑_k=0..n 3^k * k^n-k. A351282