Properties of the Number 19304

Nineteen Thousand Three Hundred Four

Basics

Value: 19303 → 19304 → 19305

Parity: even

Prime: No

Previous Prime: 19301

Next Prime: 19309

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ³ × 19 × 127

Divisors: 1, 2, 4, 8, 19, 38, 76, 127, 152, 254

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101101101000

Octal: 45550

Duodecimal: B208

Hexadecimal: 4b68

Square: 372644416

Square Root: 138.93883546366726

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

Number of integer partitions of n whose parts do not have choosable sets of strict integer partitions. A387137

Number of isomorphism classes of nanocones with 3 pentagons and a nearsymmetric boundary of length n. A198014

Positions of 3's in A234323. A234804

Numbers k such that k³ contains a pandigital substring. A115933

Partial sums of A000285. A53311

Row sums of the triangle in A208101. A208976

Numbers k such that card({x|σ(x)=k}) > 1 and (∑_σ(x)=k x) < k. A258931

a(n) = T(2n-1,n-1), where T is the array in A026120. A26127

Number of open knight's tour diagrams of a 3 X n chessboard that are symmetric under 180-degree rotation and have "type B": the endpoints occur in different columns and disagree in color with the cells in the nearest corner. A169775

Numbers n such that φ(n)*σ(n) = φ(n+1)*σ(n+1). A244439