Properties of the Number 22844

Twenty-Two Thousand Eight Hundred Forty-Four

Basics

Value: 22843 → 22844 → 22845

Parity: even

Prime: No

Previous Prime: 22817

Next Prime: 22853

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5711

Divisors: 1, 2, 4, 5711, 11422, 22844

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100100111100

Octal: 54474

Duodecimal: 11278

Hexadecimal: 593c

Square: 521848336

Square Root: 151.14231703927263

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

T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275266

a(n) is the least k such that the generalized Fermat number (k+1)^2ⁿ + k^2ⁿ is prime. A80208

Triangle read by rows: T(n,k) is the number of binary sequences of length n containing k subsequences 0110 (n,k >= 0). A118890

Triangle read by rows: T(n,k) is the number of binary sequences of length n containing k subsequences 0011 (n,k>=0). A118884

Number of compositions of n such that the number of parts and the smallest part are not coprime. A199889

Numbers n such that 1n1, 3n3, 7n7 and 9n9 are all primes. A59677

Number of nX3 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275261

Number of 7Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-1) and new values introduced in order 0..2. A275271

a(n) = floor(n*π). A22844

Fixed point of the morphism 0->001, 1->010. A189628