Properties of the Number 26500

Twenty-Six Thousand Five Hundred

Basics

Value: 26499 → 26500 → 26501

Parity: even

Prime: No

Previous Prime: 26497

Next Prime: 26501

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 ³ × 53

Divisors: 1, 2, 4, 5, 10, 20, 25, 50, 53, 100

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110011110000100

Octal: 63604

Duodecimal: 13404

Hexadecimal: 6784

Square: 702250000

Square Root: 162.78820596099706

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 that are the sum of 5 nonzero 8th powers. A3383

Number of cyclic graphs with oriented edges on n nodes (up to symmetry of dihedral group). A53656

Triangle read by rows: T[n,k] = number of n X n binary matrices with k=0...n² ones, distinct up to cyclic shifts of rows and columns; reflection through any vertical or horizontal axis; and reflection through the main diagonal. Also, quasi-n-ominoes on a torus divided into a k X k grid. A93466

a(n) = n*(n+1)*(11·n+1)/6. A132112

One half of the even entries of A033317. A261250

Number of series-reduced free pure achiral multifunctions with one atom and n positions. A317885

The common value of sigma₂ for square-amicable numbers, sigma₂(m)=sigma₂(n), m<n. A110929

a(n) = (sum of first n primes) * n. A167214

Table read by antidiagonals: T(n,k) is the number of tilings of the n X k torus up to 180-degree rotation by a tile that is not fixed under 180-degree rotation. A368308

Denominators of continued fraction convergents to sqrt(356). A41675