Properties of the Number -26271

Twenty-Six Thousand Two Hundred Seventy-One

Basics

Value: -26272 → -26271 → -26270

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 139

Divisors: 1, 3, 7, 9, 21, 27, 63, 139, 189, 417

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011010011111

Octal: -63237

Duodecimal: -13253

Hexadecimal: -669f

Square: 690165441

Square Root: 162.08331191088118

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 concatenated with k+7 gives the product of two numbers which differ by 3. A116205

Triangle read by rows, 1 <= k <= n: T(n,k) = non-isomorphic colorings of a toroidal n X k grid using exactly two colors under translational symmetry and swappable colors. A294791

Number of n-bead necklace structures using exactly two different colored beads. A56295

Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 5. A116179

Expansion of ∑_n>=1 ((n-1) * q^n*(n+1/2) / ∏_k=1..n (1 - q^k)). A218074

a(n) = 36·n² + n. A157324

G.f.: A(x) = 1 + x*(A₂)³; A₂ = 1 + x²*(A₃)³; A₃ = 1 + x³*(A₄)³; ... A_n = 1 + xⁿ*(A_n+1)³ for n>=1 with A₁ = A(x). A132330

a(n) = 729·n² + 27. A158645

a(n) is least k such that k and 6k are anagrams in base n (written in base 10). A23098

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 12. A31690