Properties of the Number -26919

Twenty-Six Thousand Nine Hundred Nineteen

Basics

Value: -26920 → -26919 → -26918

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 997

Divisors: 1, 3, 9, 27, 997, 2991, 8973, 26919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100100100111

Octal: -64447

Duodecimal: -136B3

Hexadecimal: -6927

Square: 724632561

Square Root: 164.0701069665038

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

Composites whose prime factorization in base 12 is an anagram of the number in base 12. A260055

G.f. A(x) satisfies: 1 = ∑_n>=0 ( 1/(1-x)^4·n - A(x) )ⁿ. A326264

Row sums of triangle A173302. A173303

G.f.: ∑_n>=0 2ⁿ * xⁿ / (1-x)^2·n+1 * [∑_k=0..n C(n,k)² * x^k]². A246538

a(n) = a(n-1) + a(n-2) + digsum(a(n-1)) + digsum(a(n-2)), with a(0)=0 and a(1)=1. A140131

Odd numbers k such that A173557(k) = A173557(σ(k)), where A173557(n) is multiplicative with a(p^e) = p-1 and σ is the sum of divisors function. A387159