Properties of the Number 18908

Eighteen Thousand Nine Hundred Eight

Basics

Value: 18907 → 18908 → 18909

Parity: even

Prime: No

Previous Prime: 18899

Next Prime: 18911

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 29 × 163

Divisors: 1, 2, 4, 29, 58, 116, 163, 326, 652, 4727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100111011100

Octal: 44734

Duodecimal: AB38

Hexadecimal: 49dc

Square: 357512464

Square Root: 137.50636348911274

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 compositions into sums of cubes. A23358

Sum of the sizes of the longest clique of all partitions of n. A264397

Triangle read by rows: coefficients of polynomials P_n(x) arising from RNA combinatorics. A270791

a(n) = prime(n)² + prime(n+1). A352851

G.f. satisfies A(x) = A(x²)*A(x³) / (1-x). A382126

Record values in A046641. A145771

Number of compositions (ordered partitions) of n into two or more cubes. A348524

Number of objects generated by the Combstruct grammar defined in the Maple program. See the link for the grammar specification. A52884

Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order. A225894

Inverse binomial transform of A003951. A108984