Properties of the Number 11822

Eleven Thousand Eight Hundred Twenty-Two

Basics

Value: 11821 → 11822 → 11823

Parity: even

Prime: No

Previous Prime: 11821

Next Prime: 11827

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 23 × 257

Divisors: 1, 2, 23, 46, 257, 514, 5911, 11822

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111000101110

Octal: 27056

Duodecimal: 6A12

Hexadecimal: 2e2e

Square: 139759684

Square Root: 108.72902096496593

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

Self-convolution of Fibonacci numbers. A1629

Numbers n such that Bernoulli number B_n has denominator 282. A272184

Total number of line segments between points visible to each other in a square n X n lattice. A141255

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 3·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2·x - x². A367297

Triangle of coefficients of (1 - x)ⁿ*U(n,-(3·x - 2)/(2·x - 2)), where U(n,x) is the n-th Chebyshev polynomial of the second kind. A123027

T(n,k)=Number of nXk 0..1 arrays with no element equal to more than one of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A281205

Expansion of ∏_m>=1 1/(1 + m·q^m). A22693

Bisection of Fibonacci triangle A037027: odd-indexed members of column sequences of A037027 (not counting leading zeros). A60921

Permutation of natural numbers: a(n) = A243285(A122111(2·n)). A244982

Number of partitions p of n such that the number of parts having multiplicity 1 is not a part and max(p) - min(p) is a part. A241448