Properties of the Number 11823

Eleven Thousand Eight Hundred Twenty-Three

Basics

Value: 11822 → 11823 → 11824

Parity: odd

Prime: No

Previous Prime: 11821

Next Prime: 11827

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 563

Divisors: 1, 3, 7, 21, 563, 1689, 3941, 11823

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111000101111

Octal: 27057

Duodecimal: 6A13

Hexadecimal: 2e2f

Square: 139783329

Square Root: 108.73361945598978

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

Take an n X n square grid of points in the plane; a(n) = number of ways to divide the points into two sets using a straight line. A114043

T(n,k)=Number of nXk 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. A279709

Binomial convolution of A069321(n), where A069321(0)=0, with the sequence of all 1's alternating in sign. A91346

Numbers n such that 54 'Reverse and Add' steps are needed to reach a palindrome. A65321

Number of partitions of n having no parts with multiplicity 9. A184644

Maximal term of TRIP-Stern sequence of level n corresponding to permutation triple (e,13,132). A271487

a(n) = ∑_k=1..n (-1)^k-1 * binomial(floor(n/k)+3,4). A366659

Expansion of (1-x)/(1+2·x-2·x²+x³). A78054

Values of A038005 ending in 3. A38013

Expansion of 1/(x^k*(1-x-2·x^k+1)) for k=6. A143449