Properties of the Number 11799

Eleven Thousand Seven Hundred Ninety-Nine

Basics

Value: 11798 → 11799 → 11800

Parity: odd

Prime: No

Previous Prime: 11789

Next Prime: 11801

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 19 × 23

Divisors: 1, 3, 9, 19, 23, 27, 57, 69, 171, 207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

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Representations

Binary: 10111000010111

Octal: 27027

Duodecimal: 69B3

Hexadecimal: 2e17

Square: 139216401

Square Root: 108.62320194139004

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) = (2·n + 1)*(5·n + 1). A33571

Expansion of 1/(1 - 3·x² - x³). A52931

a(n) = (4·n³ + n² - 3·n)/2. A172073

First of two consecutive numbers with at least one 3 in their prime signature. A176313

Let i be in {1,2,3,4} and r>=0 an integer. Let p ={p₁,p₂,p₃,p₄} = {-3,0,1,2}, n=3·r+p_i and define a(-3)=0. Then a(n)=a(3·r+p_i) gives the number of H_9,3,0 tiles in a subdivided H_9,i,r tile after linear scaling by the factor Q^r, where Q=sqrt(2·cos(π/9)). A187497

a(n) = n*(n + 1)*(n² - 3·n + 6)/8. A4255

a(n) = (1/12)*(n+5)*(n+1)*n². A14205

Odd heptagonal numbers (A000566). A14637

Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 1, s(2n) = 3. A94826

Least number d such that 10ⁿ -/+ d form a prime pair. A115564