Properties of the Number 22858

Twenty-Two Thousand Eight Hundred Fifty-Eight

Basics

Value: 22857 → 22858 → 22859

Parity: even

Prime: No

Previous Prime: 22853

Next Prime: 22859

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 1039

Divisors: 1, 2, 11, 22, 1039, 2078, 11429, 22858

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100101001010

Octal: 54512

Duodecimal: 1128A

Hexadecimal: 594a

Square: 522488164

Square Root: 151.18862391066332

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

Expansion of ((1-sqrt(1-4·x))/2-sqrt(((-sqrt(1-4·x)-11)*(1-sqrt(1-4·x)))/4+1)+1)/4. A243632

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 30", based on the 5-celled von Neumann neighborhood. A269755

Numbers k such that 11·7^k + 2 is prime. A83724

Generating function = sum over all subsets S of the integers {0,1,2...} of 1/sum(1/xⁿ for n in S). A121268

a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3. A22858