Properties of the Number 22243

Twenty-Two Thousand Two Hundred Forty-Three

Basics

Value: 22242 → 22243 → 22244

Parity: odd

Prime: No

Previous Prime: 22229

Next Prime: 22247

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 13 × 29 × 59

Divisors: 1, 13, 29, 59, 377, 767, 1711, 22243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011100011

Octal: 53343

Duodecimal: 10A57

Hexadecimal: 56e3

Square: 494751049

Square Root: 149.14087300267488

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

Numbers that are the sum of 6 positive 9th powers. A3395

Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros. A334769

G.f.: 1/(1 - 1!*x/(1 - 2!*x²/(1 - 3!*x³/(1 - 4!*x⁴/(1 - 5!*x⁵/(1 - 6!*x⁶/(1 - ...))))))), a continued fraction. A285381

Composite squarefree numbers n such that p(i)-5 divides n+5, where p(i) are the prime factors of n. A225705

Expansion of (1/x) * Series_Reversion( x*(1-x)⁵/(1+x)³ ). A365845

Consider primitive pairs of integers (b, c) with b < 0 such that x⁵ + b·x + c = 0 is irreducible and solvable by radicals: sequence gives values of c. A371558

Least term in period of continued fraction for sqrt(n) is 7. A31431

Average of four successive primes squared, (prime(n)² + prime(n+1)² + prime(n+2)² + prime(n+3)²)/4, n>=2. A75894

Numbers n with property that n² starts and ends with 49. A159815

Row sums of triangle defined in A113821. A160969