Properties of the Number 26518

Twenty-Six Thousand Five Hundred Eighteen

Basics

Value: 26517 → 26518 → 26519

Parity: even

Prime: No

Previous Prime: 26513

Next Prime: 26539

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 13259

Divisors: 1, 2, 13259, 26518

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011110010110

Octal: 63626

Duodecimal: 1341A

Hexadecimal: 6796

Square: 703204324

Square Root: 162.8434831364154

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 integer partitions of n where the parts do not have the same median as the distinct parts. A360244

a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 2, and a(3) = 1. A50043

The number of vertices on a Reuleaux triangle formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A340644

Number of compositions (ordered partitions) of n into pentagonal pyramidal numbers (A002411). A322853

Number of imprimitive (periodic) bracelets (or necklaces) with n red or blue beads such that the beads switch colors when bracelet is turned over. A115121

Numbers k such that k² + 1 == 0 (mod 41²). A157116

Ratio A095107(n)/A095008(n) rounded down. A95357

a(n) = length of n-th run of identical symbols in A026517. A26518