Properties of the Number 11185

Eleven Thousand One Hundred Eighty-Five

Basics

Value: 11184 → 11185 → 11186

Parity: odd

Prime: No

Previous Prime: 11177

Next Prime: 11197

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 2237

Divisors: 1, 5, 2237, 11185

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110110001

Octal: 25661

Duodecimal: 6581

Hexadecimal: 2bb1

Square: 125104225

Square Root: 105.75916035975324

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 connected functions on n points with a loop of length 2. A27852

The number of n-almost primes less than or equal to 10ⁿ, starting with a(0)=1. A116430

Number of 5-almost primes less than or equal to 10ⁿ. A114453

Expansion of g.f.: 1/((1 - x - x² + x⁴ - x⁶)*(1 - x² + x⁴ + x⁵ - x⁶)). A147606

Define g(k) = min(n: n >= 0, 2ⁿ + k prime). Then a(n) = min(odd k: g(k) = n). A260350

Number of rooted unlabeled trees on n nodes having a primary branch. A27415

Triangle read by rows: T(k,n) is number of numbers <= 10ⁿ that are products of k primes. A126280

a(n) = number of isogeny classes of abelian surfaces over the finite field of order prime(n). A362198

Indices where the cumulative sum of cos(2k+1)^2k+1 reaches a record low value. A389560

Triangle of the numbers of different forests with m rooted trees having distinct orders. A106236