Properties of the Number 20492

Twenty Thousand Four Hundred Ninety-Two

Basics

Value: 20491 → 20492 → 20493

Parity: even

Prime: No

Previous Prime: 20483

Next Prime: 20507

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 47 × 109

Divisors: 1, 2, 4, 47, 94, 109, 188, 218, 436, 5123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101000000001100

Octal: 50014

Duodecimal: BA38

Hexadecimal: 500c

Square: 419922064

Square Root: 143.15027069481914

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

Regular triangle where T(n,k) is the number of non-isomorphic multiset partitions of weight n with k connected components. A321194

Number of pairs (λ,μ) of partitions λ of n and μ of three with μ <= λ (by diagram containment). A303853

Nonisomorphic catacondensed monoheptafusenes (see reference for precise definition). A121070

Numbers n for which A222085(n)=A222085(n+1). A222088

Number of nX3 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order. A166781

Even composite integers m such that A004254(m)² == 1 (mod m). A338314

Balanced numbers: numbers k such that φ(k) (A000010) divides σ(k) (A000203). A20492

Minimal number of circles needed to intersect all the points of an n X n grid. A262355