Properties of the Number 11186

Eleven Thousand One Hundred Eighty-Six

Basics

Value: 11185 → 11186 → 11187

Parity: even

Prime: No

Previous Prime: 11177

Next Prime: 11197

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 × 17 × 47

Divisors: 1, 2, 7, 14, 17, 34, 47, 94, 119, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101110110010

Octal: 25662

Duodecimal: 6582

Hexadecimal: 2bb2

Square: 125126596

Square Root: 105.76388797694608

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 integer partitions of n with reverse-alternating product <= 1. A347443

Numbers whose sum of divisors is a fourth power. A19422

Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly four solutions. A230856

Number of tilings of a 5 X n rectangle using n pentominoes of shapes F, L, Y. A247443

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 1 3 or 4. A252088

a(n) = ( 2·n*(2·n² + 9·n + 14) + (-1)ⁿ - 1 )/16. A248851

The sums of pairs of adjacent terms are the odd palindromic primes in ascending order. A181883

Expansion of 1/((1-x²*c(x))(1-x-x²)) where c(x) is the g.f. of A000108. A139376

Expansion of e.g.f. exp( (1/(1-3·x)^2/3 - 1)/2 ). A380257

Numbers n such that A078142(n) = A078142(n+1) = A078142(n+2), where A078142(n) is the sum of the differences of the distinct prime factors p of n and the next square larger than p. A73938