Properties of the Number 11166

Eleven Thousand One Hundred Sixty-Six

Basics

Value: 11165 → 11166 → 11167

Parity: even

Prime: No

Previous Prime: 11161

Next Prime: 11171

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 1861

Divisors: 1, 2, 3, 6, 1861, 3722, 5583, 11166

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101110011110

Octal: 25636

Duodecimal: 6566

Hexadecimal: 2b9e

Square: 124679556

Square Root: 105.66929544574431

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 of n such that every distinct consecutive subsequence has a different sum. A325676

Expansion of 1/(sqrt(1-4·x)*(1-3·x*c(x))), where c(x) is the g.f. of A000108. A141223

Numbers using only digits 1 and 6. A284293

Sum of primes p with n² < p < (n+1)². A108314

Numbers n such that π(n) = prime(d₁)*prime(d₂)*...*prime(d_k) where d₁ d₂ ... d_k is the decimal expansion of n. A98683

Weight of the alternating group (A_n) in transpositions. A67369

Numbers k such that k and k + 1 are both binary Smith numbers (A278909). A331464

a(n) is the number of regions formed by n-secting the angles of a hexagon. A335733

Numbers n such that π(n) = prime(d₁)*prime(d₂)* ... *prime(d_k), where d₁, d₂, ... d_k is the decimal expansion of n, and the zeroth prime is 1. A160040

G.f.: ((1+2·x)*sqrt(1-6·x²+x⁴)-1+5·x²-2·x³)/(2·x*(1-6·x²)). A212205