Properties of the Number 10843

Ten Thousand Eight Hundred Forty-Three

Basics

Value: 10842 → 10843 → 10844

Parity: odd

Prime: No

Previous Prime: 10837

Next Prime: 10847

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 1549

Divisors: 1, 7, 1549, 10843

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10101001011011

Octal: 25133

Duodecimal: 6337

Hexadecimal: 2a5b

Square: 117570649

Square Root: 104.12972678346948

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 compositions of n such that no two adjacent parts are equal (these are sometimes called Carlitz compositions). A3242

Numbers k such that 2^k - 21 is prime. A96820

Recursive sequence; one more than maximum of products of pairs of previous terms with indices summing to current index. A91980

Numbers k such that 4·k! - 1 is prime. A99350

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318091

Ulam's spiral (WNW spoke). A143859

a(n) = 1+5·n+7·n². A168235

E.g.f.: ∏_k>=1 1 / (1 - x^k)^exp(-x). A346548

Number of n-celled pseudo still lifes in Conway's Game of Life, up to rotation and reflection. A56613

G.f. satisfies: A(x) = A(2·x² + x³)/(1-x). A251582