Properties of the Number 26478

Twenty-Six Thousand Four Hundred Seventy-Eight

Basics

Value: 26477 → 26478 → 26479

Parity: even

Prime: No

Previous Prime: 26459

Next Prime: 26479

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1471

Divisors: 1, 2, 3, 6, 9, 18, 1471, 2942, 4413, 8826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011101101110

Octal: 63556

Duodecimal: 133A6

Hexadecimal: 676e

Square: 701084484

Square Root: 162.7206194678474

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 with multiplicative persistence value 6. A46515

G.f.: ∑_k>=1 x^2·k-1/(1-x^2·k-1) * ∏_k>=1 (1+x^k)/(1-x^k). A305105

a(1) = 1; a(n) = -∑_k=2..n k³ * a(floor(n/k)). A360658

Number of different sets of n-gons labeled 1...n such that all members of each set contain equivalent paths with increasing labels; i.e., the number of isotemporal classes of n-gons. A92481

Records in A030000. A372044

Composite numbers whose multiplicative persistence is 6. A199996

a(n) = least positive integer > a(n-1) and not of form a(i)*a(j)*a(k) for 1<=i<=j<=k<n. A26478