Properties of the Number -26211

Twenty-Six Thousand Two Hundred Eleven

Basics

Value: -26212 → -26211 → -26210

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 8737

Divisors: 1, 3, 8737, 26211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110011001100011

Octal: -63143

Duodecimal: -13203

Hexadecimal: -6663

Square: 687016521

Square Root: 161.8981161101018

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

G.f. A(x) satisfies: 1/(1 - x) = A(x)*A(x²)²*A(x³)³*A(x⁴)⁴* ... *A(x^k)^k* ... A307648

Limit of reversed rows of triangle A126347, in which row sums equal Bell numbers (A000110). A126348

Number of polyiamonds with n cells that tile the plane isohedrally. A75223

Records in A175046. A319422

a(n) = (n⁴ + 16·n³ + 65·n² + 26·n + 12)/12. A188480

The number of squarefree numbers whose largest prime divisor is prime(n) and that are averages of twin prime pairs. A354950

a(n) = 5 + floor( ∑_j=1..n-1 a(j)/3 ). A120151

Number of 2n-bead necklaces labeled with numbers 1..4 allowing reversal, with neighbors differing by exactly 1. A208667

Numbers k such that 459·2^k+1 is prime. A323199

a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Fibonacci numbers), t = (1, p(1), p(2), ...). A24460