Properties of the Number 26540

Twenty-Six Thousand Five Hundred Forty

Basics

Value: 26539 → 26540 → 26541

Parity: even

Prime: No

Previous Prime: 26539

Next Prime: 26557

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 1327

Divisors: 1, 2, 4, 5, 10, 20, 1327, 2654, 5308, 6635

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110011110101100

Octal: 63654

Duodecimal: 13438

Hexadecimal: 67ac

Square: 704371600

Square Root: 162.9110186574254

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 which are the sum of their proper divisors containing the digit 3. A59462

McKay-Thompson series of class 45b for Monster. A58686

Number of compositions (ordered partitions) of n into distinct parts such that the smallest part is equal to the number of parts. A339446

The number of lit cells in weakly decreasing partitions of n when light shines from the north west and only the first column is lit. Here partitions are represented from left to right by columns of cells. A366175

a(n) = T(n,n-3), T given by A026536. Also number of integer strings s(0), ..., s(n), counted by T, such that s(n) = 3. A26540

Array T(n,m) = A177944(2·n,2·m) read by antidiagonals. A177970