Properties of the Number 11908

Eleven Thousand Nine Hundred Eight

Basics

Value: 11907 → 11908 → 11909

Parity: even

Prime: No

Previous Prime: 11903

Next Prime: 11909

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 13 × 229

Divisors: 1, 2, 4, 13, 26, 52, 229, 458, 916, 2977

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111010000100

Octal: 27204

Duodecimal: 6A84

Hexadecimal: 2e84

Square: 141800464

Square Root: 109.12378292562992

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

a(n) = a(n-1) + a(n-8), with a(i) = 1 for i = 0..7. A5710

a(n) = ∑_k=0..n binomial(n*(n-k), k). A99237

Expansion of e.g.f. ∏_k>=1 1/(1 - (exp(x) - 1)^k/k). A305986

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = [xⁿ] 1/(1 - x*(1+x)ⁿ)^k. A362079

Expansion of 1/(1 - x⁸ - x⁹ - ...). A17902

T(n,k)=Majority value maps: number of nXk binary arrays indicating the locations of corresponding elements equal to at least half of their king-move neighbors in a random 0..2 nXk array. A220194

a(n) = 441·n + 1. A158322

Number of permutations of order n with the length of longest run equal 10. A230133

a(n) = floor((10·n³ + 63·n² + 126·n + 89) / 72). A254874

G.f. A(x) satisfies A(x) = 1 / (1 - x·A(x⁸)). A367800