Properties of the Number 11791

Eleven Thousand Seven Hundred Ninety-One

Basics

Value: 11790 → 11791 → 11792

Parity: odd

Prime: No

Previous Prime: 11789

Next Prime: 11801

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 13 × 907

Divisors: 1, 13, 907, 11791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111000001111

Octal: 27017

Duodecimal: 69A7

Hexadecimal: 2e0f

Square: 139027681

Square Root: 108.58637115218465

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) = floor(1/(n-1) * ∑_k=1..n-1 a(k)^n/k), given a(0)=1, a(1)=3, a(2)=7. A79120

Position of start of first appearance of n consecutive 0's in the binary expansion of π. A178708

Position of start of first run of exactly n zeros in the base-2 representation of π, or -1 if no such run exists. A378472

Numbers n such that n² = 67·m² + 67·m + 1. A106175

Number triangle read by rows: T(n,k) = ∑_j=0..n-k C(n+j,j+k)*C(n-j,k). A117207

a(n) = 3n³ - 2n² + n - 1. A130885

Sum of digits of n-th even perfect number. A138828

Number of 4 X n binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing. A266937

Number of nX3 0..1 arrays with every element equal to 0, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299576

[ exp(17/20)*n! ]. A30853