Properties of the Number 11836

Eleven Thousand Eight Hundred Thirty-Six

Basics

Value: 11835 → 11836 → 11837

Parity: even

Prime: No

Previous Prime: 11833

Next Prime: 11839

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 11 × 269

Divisors: 1, 2, 4, 11, 22, 44, 269, 538, 1076, 2959

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111000111100

Octal: 27074

Duodecimal: 6A24

Hexadecimal: 2e3c

Square: 140090896

Square Root: 108.79338215167317

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

Numbers n such that Bernoulli number B_n has denominator 690. A272186

Second 14-gonal numbers: n*(6·n+5). A211014

A Wallis pair (x,y) satisfies σ(x²) = σ(y²); sequence gives x's for indecomposable Wallis pairs with x < y (ordered by values of x). A75768

L.g.f.: log( ∑_k>=0 x^k³ ). A363783

G.f.: ∑_n>=0 xⁿ * ∑_k=0..n binomial(n,k)² * x^k*(2-x)^n-k. A217616

Triangle T(n,k), 0<=k<=n, read by rows; given by [0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, ...] δ [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...] where δ is the operator defined in A084938. A94456

G.f.: ∑_n>=0 (n+1) * xⁿ * (1 + xⁿ)ⁿ / (1 + xⁿ⁺¹)ⁿ⁺². A326285

a(n) = 10·a(n-1) + 6·a(n-2), with a(0)=0, a(1)=1. A190956

Number of strict partitions of 2n having an ordering of the parts in which no two neighboring parts have the same parity. A239882

Number of compositions of n with difference -2 between the number of odd parts and the number of even parts, both counted without multiplicity. A242839