Properties of the Number 26826

Twenty-Six Thousand Eight Hundred Twenty-Six

Basics

Value: 26825 → 26826 → 26827

Parity: even

Prime: No

Previous Prime: 26821

Next Prime: 26833

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 17 × 263

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 263, 526

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100011001010

Octal: 64312

Duodecimal: 13636

Hexadecimal: 68ca

Square: 719634276

Square Root: 163.7864463256957

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

Number of n-step self-avoiding walks on hexagonal lattice from (0,0) to (0,3). A5549

The sum of the principal diagonals of an n X n spiral. A137930

McKay-Thompson series of class 27b for the Monster group. A58601

Sum of the principal diagonals of a 2n X 2n square spiral. A137931

Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, X, Y. A343529

Row sums of triangle A084408. A84411

a(3) = 2, a(4) = 3; for n > 4, a(n) = {a(n-2)}+{a(n-1)}, where {a} means largest prime <= a. A65435

Number of arrays of median of three adjacent elements of some length-5 0..n array, with no adjacent equal elements in the latter. A229013

Number of partitions of n with difference 3 between the number of odd parts and the number of even parts, both counted without multiplicity. A242694

Number of 3Xn arrays containing n copies of 0..3-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums. A265118