Properties of the Number 26558

Twenty-Six Thousand Five Hundred Fifty-Eight

Basics

Value: 26557 → 26558 → 26559

Parity: even

Prime: No

Previous Prime: 26557

Next Prime: 26561

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 271

Divisors: 1, 2, 7, 14, 49, 98, 271, 542, 1897, 3794

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110011110111110

Octal: 63676

Duodecimal: 13452

Hexadecimal: 67be

Square: 705327364

Square Root: 162.96625417551942

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 k such that (k! + 3)/3 is prime. A89085

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4. A196601

Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of 1s) is not a part. A241508

A213784/12. A213789

a(n) is the number of cubic polynomials with coefficients in {-n, ..., n}, positive leading coefficient, and having three rational roots. A392944

Alternating row sums of triangle A134285, called s2(3)'. A134827

Number of binary strings of length n with no substrings equal to 0011 0101 or 1100. A164505

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4. A196598

Number of nX6 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4. A196599

Number of length 2+2 0..n arrays with no pair in any consecutive three terms totalling exactly n. A245997