Properties of the Number 26446

Twenty-Six Thousand Four Hundred Forty-Six

Basics

Value: 26445 → 26446 → 26447

Parity: even

Prime: No

Previous Prime: 26437

Next Prime: 26449

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 1889

Divisors: 1, 2, 7, 14, 1889, 3778, 13223, 26446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011101001110

Octal: 63516

Duodecimal: 1337A

Hexadecimal: 674e

Square: 699390916

Square Root: 162.62226169869857

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

a(n) = n*(n²+3·n-1)/3. A84990

Expansion of x⁹/((1-x)*(1-x²)*(1-x³))². A117485

G.f. satisfies: A(x) = (1+x+x²) * A(x²)². A237651

Maximal value of ∑_i=1..n (p(i) - p(i+1))², where p(n+1) = p(1), as p ranges over all permutations of {1, 2, ..., n}. A64842

a(n) = a(1) + a(2) + ... + a(n-1) + a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1 and a(2) = a(3) = 2. A49954

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 278", based on the 5-celled von Neumann neighborhood. A271097

a(n) = A055498(n) - A055500(n). A362883

a(n) = least positive integer > a(n-1) and not a(i)*a(j)+2 for 1<=i<j<=n, with initial terms 2,4. A26446