Properties of the Number 26442

Twenty-Six Thousand Four Hundred Forty-Two

Basics

Value: 26441 → 26442 → 26443

Parity: even

Prime: No

Previous Prime: 26437

Next Prime: 26449

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 13 × 113

Divisors: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011101001010

Octal: 63512

Duodecimal: 13376

Hexadecimal: 674a

Square: 699179364

Square Root: 162.60996279441184

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 the digits of σ(k) are a permutation of those of k, in base 10. A115920

a(n) = ∑_{1 <= j <= i <= n} S(i,j), where S(i,j) are Stirling numbers of the second kind. A24716

Smallest sets of 7 consecutive abundant numbers in arithmetic progression. The initial abundant number is listed. A228964

a(n) = least positive integer > a(n-1) and not a(i)*a(j)-1 for 1 <= i <= j < n, n >= 2, with initial terms 3,4. A26442