Properties of the Number 26800

Twenty-Six Thousand Eight Hundred

Basics

Value: 26799 → 26800 → 26801

Parity: even

Prime: No

Previous Prime: 26783

Next Prime: 26801

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 5 ² × 67

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110100010110000

Octal: 64260

Duodecimal: 13614

Hexadecimal: 68b0

Square: 718240000

Square Root: 163.707055437449

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 primes less than 10000n. A38813

Number of Dyck paths of semilength n such that each positive level up to the highest nonempty level has exactly one peak. A287846

Number of largest subsets of the set of points in an n X n square grid, such that no two points are at the same distance. A335232

4·a(n) is the maximum possible determinant of a 3 X 3 matrix whose entries are 9 consecutive primes starting with prime(n). A340923

Values of k in A071580. A258081

INVERT transform of A089835. A89836

Number of singular points on n-th order Chmutov surface. A57870

a(n) = (3·n+7)*n². A257042

Number of partitions of n in which the least part is 7. A26800

The difference version of the 'Decade transform' : to obtain a(n) write n as a sum of its power-of-ten parts and then continue to calculate the absolute value of the difference between the adjacent parts until a single number remains. A334387